Mn Flora - Key Features

Front 1

Sambucus canadensis

Back 1

Flattened infloresence -Opposite; pinnately compound leaves; leaflets toothed -Stems with white pith -

Front 2

Viburnum lentago

Back 2

Rounded infloresence -Opposite; simple leaves with winged petioles; margins toothed; apex long acuminate - -

Front 3

Viburnum opulus americanum (V. trilobum)

Back 3

Red berries -Opposite; 3-lobed leaves; pair of blunt terminal buds - -

Front 4

Alisma triviale

Back 4

Open diffuse infloresence -Leaves basal -aquatic -

Front 5

Sagittaria latifolia

Back 5

Flowers in ball-like sessile or stalked clusters -Broad or narrow arrowhead shaped leaves -aquatic -

Front 6

Toxicodendron rydbergii

Back 6

Light green/white fruits -Leaves ternately compound; stalk of middle leaflet longer than on side leaflets -Short woody stem -

Front 7

Cryptotaenia canadensis

Back 7

Fruits black and elongate -Leaves palmately compound; usually 3-5 leaflets; sometimes with 1 or 2 leaflets further lobed; leaflet base cuneate; margins finely double-serrate - -

Front 8

Daucus carota

Back 8

Compound umbels; involucral bracts finely divided -Leaves alternate; compound; leaflets narrow -Fruiting cluster basket-like -

Front 9

Sanicula marilandica

Back 9

Inflorescence densely ball-like -Leaves palmately compound; 5-7 leaflets; coarsely toothed - -

Front 10

Apocynum androsaemifolium

Back 10

Flowers bell-shaped; fruit is long narrow follicle -Opposite leaves; wavy margins; short petioles -White latex in sap -

Front 11

Asclepias tuberosa

Back 11

Umbels; orange corona; fruit is pair of long follicles -Opposite; narrow leaves; stem pubescent -White latex in sap -

Front 12

Asclepias verticillata

Back 12

Umbel; light green corona -Very narrow; whorled leaves -White latex in sap -

Front 13

Arisaema triphylla

Back 13

Purple-spotted spathe with spadix; red berries -Leaves large ternately compound; veins meet just before leaf margin - -

Front 14

Calla palustris

Back 14

White spathe -Broadly ovate leaves with cordate base; basel -Thick rhizomes; aquatic -

Front 15

Lemna minor/turionifera

Back 15

-Tiny elliptic plant bodies with 1 (rarely 2) roots -aquatic -

Front 16

Lemna trisulca

Back 16

-Elongate plant bodies; connected together by narrow stalks -aquatic -

Front 17

Spirodela polyrhiza

Back 17

-Small round plant bodies with purple underside and several roots -aquatic -

Front 18

Aralia nudicaulis

Back 18

Ball-like umbels arising directly from rhizome -Leaves initially ternately compound with leaflets pinnately compound; petioles long and basal - -

Front 19

Aralia racemosa

Back 19

Panicle with each branch ending in umbels -Leaves compound; each leaflet large and cordate - -

Front 20

Asarum canadense

Back 20

Single purple flower at base of leaves -Leaves deeply cordate - -

Front 21

Ageratina altissima (Eupatorium rugosum)

Back 21

Small white ray flowers; infloresence flat-topped to slightly rounded -Leaves opposite; +/- deltoid; with large teeth; and 3 primary palmate veins - -

Front 22

Ambrosia trifida

Back 22

Staminate flowers in erect racemes; carpellate flowers few in axillary clusters -Leaves opposite; tri-lobed - -

Front 23

Centaurea stoebe

Back 23

Heads discoid; disc flowers purple; corolla divided into narrow segments; involucral bracts black-tipped and finged with hairs -Leaves finely divided - -

Front 24

Echinacea angustifolia

Back 24

Long reflexed purple rays; infloresence usually solitary -Leaves with 3-5 prominent; +/- parallel primary veins; stems and leaves scabrous - -

Front 25

Eurybia macrophylla

Back 25

white ray flowers -Large heart-shaped basal leaves with acuminate tips and large teeth; cauline leaves increasingly ovate to elliptic and sessile - -

Front 26

Eutrochium maculatum

Back 26

Purple flowers in flat-topped or slightly rounded heads -Leaves whorled; coarsely toothed; stems speckled with dark spots or all purple - -

Front 27

Helianthus maximiliani

Back 27

Rays flowers yellow -Long; folded; and arching leaves; leaves and stems scabrous - -

Front 28

Heliopsis helianthoides

Back 28

Yellow ray flowers; involucral bracts in 1 (or 2) series and very broad -Leaves broad; opposite - -

Front 29

Liatris aspera

Back 29

Heads discoid; in racemes; disc flowers purple; involucral bracts broadly rounded in several series and purplish at least apically -Long linear leaves - -

Front 30

Prenanthes alba

Back 30

Heads pendulous; with purple/white involucre bracts -Leaves broadly arrowhead-shaped; irregularly lobed and with widely spaced small teeth - -

Front 31

Ratibida columnifera

Back 31

Reflexed yellow (or occasionally dark) ray flowers; disk flowrs on long columnar receptacle -Leaves pinnately divided - -

Front 32

Rudbeckia hirta

Back 32

yellow rays; deep purple disc flowers; reflexed involucral bracts -Leaves with 1-3 prominent and palmate primary veins; upper sessile; leaves and stems scabrous - -

Front 33

Solidago gigantea

Back 33

Small yellow ray flowers; inflorescence broad; with nodding branches; heads on one side of each branch -Leaves with 3 prominent primary veins; coarsely toothed -Stems glabrous -

Front 34

Solidago nemoralis

Back 34

Small yellow ray flowers; infloresence narrow; with heads tending to be on one side of the branches -Lower leaves significantly longer than the upper leaves - -

Front 35

Symphyotrichum ciliolatum

Back 35

Blue ray flowers -Leaves ovate; toothed; petioles winged - -

Front 36

Symphyotrichum lateriflorum

Back 36

White ray flowers; heads axillary to terminal -Leaves sessile; mixture of small and large ones; lower surface of leaf with pubescent midvein - -

Front 37

Symphyotrichum novae-angliae

Back 37

Blue-purple ray flowers -Leaves clasping stem; stems with short internodes; pubescent - -

Front 38

Impatiens capensis

Back 38

Orange bilateral flowers with brown speckles and nectar spur -Glabrous; slightly succulent leaves and stems; leaves with long petioles - -

Front 39

Caulophyllum thalictroides

Back 39

Blue berries -Bipinnately compound leaves; leaflets with 3 (sometimes 4) large lobes sometimes with smaller apical teeth - -

Front 40

Alnus incana

Back 40

"Carpellate flowers in short woody ""cones""; staminate flowers in elongate catkins -Lower surface of leaves with rusty colored veins; margins doubly-serrate -Stems with light colored spots; shrubs -"

Front 41

Betula alleghaniensis

Back 41

Carpellate flowers in large fat catkins; staminate in narrower and elongate catkins -Leaves doubly-serrate -Bark silvery and not tearing in big strips; stems with light colored spots -

Front 42

Betula pumila

Back 42

Small catkins -Leaves obovate with sharp to rounded teeth; singly toothed -Stems with light colored spots; shrubs -

Front 43

Corylus americana

Back 43

Nut covered with broad winged bracts -Leaves doubly-serrate; stem and petioles have glandular-hairs -shrubs -

Front 44

Ostrya virginiana

Back 44

Carpellate flowers with large papery bracts; inflating in fruit -Leaves doubly-serrate; apex sharply acuminate -Flakey bark in vertical strips; stems with light colored spots -

Front 45

Lithospermum canescens

Back 45

Yellow flowers in dense infloresence; petals united into tube -Leaves densely microscopically pubescent - -

Front 46

Hydrophyllum virginianum

Back 46

Terminal; rounded infloresence of pale purple flowers; stamens extending well beyond corrolla -Leaves pinnately divided; basal leaves with long petioles - -

Front 47

Alliaria petiolata

Back 47

Petals white; long silique fruits -Leaves with large; rounded teeth; basal leaves cordate while cauline leaves deltoid - -

Front 48

Berteroa incana

Back 48

White flowers; short fat siliques - -Hairs star-shaped -

Front 49

Sphagnum angustifolium

Back 49

-spongy leaves - -

Front 50

Brasenia schreberi

Back 50

Dull purple flowers -oval peltate and slimy leaf -aquatic -

Front 51

Campanula aparinoides

Back 51

Blue bell-shaped flowers -Very narrow leaves - -

Front 52

Lonicera canadensis

Back 52

Pairs of axillary flowers/fruits -Leaves mostly with rounded or obtuse apex - -

Front 53

Lonicera tatarica

Back 53

Pairs of axillary flowers/fruits; flowers cream in bud; white when open; drying pink -Leaves with acute apex; twigs grey - -

Front 54

Symphoricarpos occidentalis

Back 54

Axillary clusters of several bell-shaped flowers -Leaves ovate to elliptic; margins either entire or with large almost lobe-like teeth -Bark reddish brown and shredding -

Front 55

Ceratophyllum demersum

Back 55

Flowers minute and axillary -Whorls of finely divided leaves -Densely clustered groups of terminal leaves (turions) overwinter; aquatic -

Front 56

Clintonia borealis

Back 56

3-5 yellow flowers on elongate stalk arising directly from roots; blue berries -Elongate; elliptic basal leaves with fine hairs on margins - -

Front 57

Uvularia grandiflora

Back 57

Large yellow; pendulous flowers -Perfoliate leaves -Branching with age -

Front 58

Tradescantia bracteata

Back 58

Clusters of purple flowers; calyx and filaments hairy -Long narrow; arching leaves -Swollen nodes; but hidden by sheathing leaf bases -

Front 59

Cornus alternifolia

Back 59

Rounded to flat-topped inflorescence -Leaves alternate; with arcuate venation - -

Front 60

Cornus canadensis

Back 60

Flowers tightly clustered and surrounded by 4; white; petal-like bracts -Whorl of 5-6 leaves - -

Front 61

Cornus sericea

Back 61

Rounded infloresence -Leaves alternate; with arcuate venation - -

Front 62

Juniperus virginiana

Back 62

"cones ""berry""-like; blue green -sharply pointed; overlapping needles; round in cross-section - -"

Front 63

Thuja occidentalis

Back 63

cones erect & splitting to release 2 winged seeds -needles overlapping; flat in cross-section - -

Front 64

Carex lacustris

Back 64

Dense spike of perigynia about two inches long; erect; staminate flower in terminal spikes -Long linear leaves; bases split into fibers - -

Front 65

Carex pauciflora

Back 65

Single terminal spike with few downward pointing perigynia -Long very narrow leaves - -

Front 66

Cyperus esculentus

Back 66

Flattened spikes in terminal ladder-like clusters with several long leaf-like bracts - - -

Front 67

Eriophorum angustifolium

Back 67

"Several; terminal ""cotton ball"" clusters of fruit - - -"

Front 68

Schoenoplectus tabernaemontani

Back 68

Dark brown or copper-colored spiklets on long stalks; inflorescence with single stiff bract -Stem appears leafless but leaves are basally clustered and sheathing -aquatic -

Front 69

Scirpus cyperinus

Back 69

"""Fuzzy"" copper-colored spikelets in large open panicle; several large leaf-like bracts -Several cauline leaves -aquatic -"

Front 70

Diervilla lonicera

Back 70

Few yellow flowers; sepals long and slender; petals united into broad tube -Leaves opposite with serrate margins and long acuminate apex - -

Front 71

Drosera rotundifolia

Back 71

Few flowers on long stalk -Leaves all basel; round; with red; sticky hairs - -

Front 72

Andromeda glaucophylla

Back 72

Pinkish urn-shaped flowers in small clusters -Leaves linear with inrolled margins and single prominent vein on lower surface -Shrub -

Front 73

Arctostaphylos uva-ursi

Back 73

White urn-shaped flowers; red berries -Small leathery leaves; entire; alternate; obovate -Prostrate shrub -

Front 74

Gaultheria procumbens

Back 74

White urn-shaped flower in small clusters; bright red berries -Elliptic to obovate leaves with widely spaced teeth; clustered near apex of stem -Low; rhizomatous shrub -

Front 75

Kalmia polifolia

Back 75

Large saucer-shaped pink flowers; stamens with dark colored anthers -Leaves opposite; elliptic-lanceolate; with inrolled margins; prominent midvein on lower surface -Shrub -

Front 76

Ledum groenlandicum

Back 76

White flowers in terminal umbel-like cluster -Dense cinnamon-colored pubescence on lower leaf surface; margins inrolled -Shrub -

Front 77

Monotropa uniflora

Back 77

Single; terminal; pendulous flower; becomes erect in fruit -Scale like leaves -No chlorophyll; dries black -

Front 78

Pyrola secunda

Back 78

Pendulous flowers in one-side racemes -Elliptic leaves; alternate; simple with rounded teeth - -

Front 79

Vaccinium angustifolium

Back 79

White urn-shaped flowers; dark blue berries -Leaves with acuminate tip and minute teeth -Shrub -

Front 80

Vaccinium oxycoccos

Back 80

1-2 terminal flowers on long stalks; pink recurved petals -Leaves short with rounded to acute apex -Creeping rhizomatous shrub -

Front 81

Euphorbia esula

Back 81

Small flowers surrounded by large greenish-yellow leafy bracts -Leaves narrow with 1 prominent primary vein - -

Front 82

Amorpha canescens

Back 82

Small purple; pea flowers; in dense terminal racemes -Silvery gray-green leaflets; densely pubescent -Shrub -

Front 83

Amphicarpaea bracteata

Back 83

Pale lavender to white pea flowers; legume fringed with hairs -Leaves ternately compound; all leaflets of similar size -Creeping annual vine -

Front 84

Dalea purpurea

Back 84

Small; bright purple; pea flowers tightly clustered in elongated terminal infloresence -Leaves compound with linear leaflets - -

Front 85

Desmodium glutinosum

Back 85

Pea flowers widely spaced in elongate racemes; legumes splitting into triangular units -Leaves ternately compound and clustered near inflorescence - -

Front 86

Lathyrus ochroleucus

Back 86

Light yellow; pea flowers -Leaves pinnately compound terminating in tendrils; stipules large and leaf-like; pointed at apex and basal lobes - -

Front 87

Lespedeza capitata

Back 87

Small flowers densely clustered in capitate inflorecences along upper part of the stem -Leaves ternately compound; hairy; stems hairy - -

Front 88

Dicentra cucullaria

Back 88

Terminal nodding raceme with distinctive two-lobed white/pink flower -Leaves and stems glabrous and somewhat succulent; leaves deeply divided - -

Front 89

Geranium maculatum

Back 89

-Leaves with five deeply divided lobes - -

Front 90

Ribes hirtellum

Back 90

Axillary infloresence with few flowers; calyx lobes about equal to calyx tube; fuit not prickly -Leaves with 3-5 lobes and several smaller teeth; base +/- cuneate -shrub with few prickles on stem -

Front 91

Ribes missouriense

Back 91

Stamens extending beyond corolla -Leaves 3-5 lobed with numerous teeth; leaf base truncate; -Shrub with paired or single thorns at each node plus scattered prickles on stem -

Front 92

Myriophyllum spicatum

Back 92

-Whorled; finely divided leaves (like feathers) -aquatic -

Front 93

Elodea canadensis

Back 93

Single tiny flower on long stalk -Small; elliptic; whorled leaves; internodes very short so leaves overlap -aquatic -

Front 94

Vallisneria americana

Back 94

Single flower on distinct; curly; long stalk -Long linear leaves; all basal -aquatic -

Front 95

Juglans nigra

Back 95

"Large nut -""Leaves pinnately compound with 10-16 leaflets; leaflets with serrate margins and acuminate apex; twigs hairy; """"monkey face"""" leaf scar"" - -"

Front 96

Leonurus cardiaca

Back 96

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Front 97

Lycopus americanus

Back 97

Bilabiate flowers in dense axillary clusters -Leaves opposite; deeply incised with irregular teeth; petiole short -Stems squarred -

Front 98

Monarda fistulosa

Back 98

Pale purple; bilabiate flowers in dense; terminal head-like infloresences with broad involucral bracts -Leaves opposite; ovate; toothed; petiolate -Stems squarred -

Front 99

Stachys palustris

Back 99

Bilabiate flowers in terminal spikes -Leaves opposite; sessile or with very short petioles; +/- elliptic -Stems squarred -

Front 100

Utricularia gibba

Back 100

Single yellow; bilateral flowers on long stalk -very finely divided leaves -Small bladder pods on leaves; aquatic -

Front 101

Utricularia vulgaris

Back 101

Several yellow; bilateral flowers on long stalks -Finely divided leaves -Large bladder pods on leaves; aquatic -

Front 102

Streptopus lanceolatus

Back 102

Single flowers; pendulous in leaf axils -Leaves sessile with widely spaced prominent parallel venation - -

Front 103

Linnaea borealis

Back 103

Flowers paired on long stalks; pink/white; pendulous; -Opposite;simple; elliptic to round leaves; rhizomatus -Stems woody and creeping -

Front 104

Lobelia siphilitica

Back 104

Large blue bilateral flowers in long terminal racemes -Leaves irregularly toothed; sessile or with short winged petiole - -

Front 105

Lythrum salicaria

Back 105

Purple flowers in dense whorls in elongated racemes; infloresences often branched -Leaves opposite; entire; sessile on squarred stems - -

Front 106

Abutilon theophrasti

Back 106

Large crown-shaped aggregate of follicles; yellow flowers -Alternate; simple; broadly ovate leaves with cordate base and acuminate tip; palmate venation; stellate hairs - -

Front 107

Tilia americana

Back 107

Flowers/fruit attached to elongated leafy bract -Round leaves with cordate base and acuminate tip; palmate venation - -

Front 108

Trillium cernuum

Back 108

Single pendulous white flower -Terminal whorl of three leaves - -

Front 109

Comptonia peregrina

Back 109

Unisexual flowers in catkins (carpellate rounded; staminate elongated) -Leaves elongate with large rounded; evenly spaced lobes -Shrub (flowering plant) -

Front 110

Lysimachia terrestris

Back 110

Elongate terminal inflorescence of yellow flowers -Leaves opposite; narrowly elliptic; entire with 1 prominent vein - -

Front 111

Lysimachia thyrsiflora

Back 111

Dense rounded to elongate cluster of axillary yellow flowers -Leaves opposite; sessile - -

Front 112

Trientalis borealis

Back 112

Few white; star-shaped flowers on long stalks -Terminal whorl of elliptic leaves - -

Front 113

Nuphar variegata

Back 113

Single large yellow flower -Large leaf with rounded basal lobes -aquatic -

Front 114

Nymphaea odorata

Back 114

Single large white flower -Large leaf with pointed basal lobes -aquatic -

Front 115

Epilobium angustifolium

Back 115

Pink/purple flowers; elongated inferior ovary and long narrow fruit; terminal racemes -Leaves mostly alternate; entire to irregularly toothed - -

Front 116

Calopogon tuberosus

Back 116

Pink flowers; fringe of yellow hairs on the lip -Long linear; basal leaves -Swollen tubers on roots -

Front 117

Cypripedium acaule

Back 117

Single large; pink; slipper-shaped flower on long stalk -Two large; obovate; basal leaves - -

Front 118

Cypripedium candidum

Back 118

Single white slipper-shaped flower -Leaves elliptic; alternate; cauline - -

Front 119

Castilleja coccinea

Back 119

Tubular flowers +/- completely surrounded by yellow to orange to scarlet bracts; terminal dense inflorescences -Leaves divided into 3-5 narrow lobes - -

Front 120

Pedicularis canadensis

Back 120

Bilateral hooked yellow flowers; dense terminal infloresences -Leaves fern-like; mostly clustered near base of stem - -

Front 121

Sanguinaria canadensis

Back 121

Single; white flower with several large; separate petals -Large basal; cordate leaves with various lobing patterns -Orange/red latex -

Front 122

Phryma leptostachya

Back 122

Small flowers; sessile on elongate spike; flowers erect; fruit pendulous -Leaves opposite; ovate to triangular; base cuneate; apex acuminate; teeth large - -

Front 123

Abies balsamea

Back 123

cones erect & bluish in color -solitary needles; flattened; with rounded apex - -

Front 124

Larix laricina

Back 124

-deciduous; needles on short shoots appearing whorled - -

Front 125

Picea glauca

Back 125

cones pendulous -solitary needles; sharply pointed at apex & square in cross-section -differs from black spruce by aromatic needles -

Front 126

Picea mariana

Back 126

cones pendulous -solitary needles; sharply pointed at apex & square in cross-section -differs from white spruce in minute orange-brown hairs on twigs -

Front 127

Pinus banksiana

Back 127

cones in pairs with scales opening in response to fire -two needles per bundle; widely forked & slightly twisted - -

Front 128

Pinus resinosa

Back 128

conesw pendulous & compact -two needles per bundle; brittle & breaking when bent; 10-15 cm long - -

Front 129

Pinus strobus

Back 129

cones pendulous & curved -five needles per bundle; triangular in cross-section; 7-13 cm long - -

Front 130

Penstemon grandiflorus

Back 130

Large bilabiate; pale purple flowers in terminal raceme -Opposite; elliptic; sessile; glabrous; entire leaves; almost succulent - -

Front 131

Andropogon gerardii

Back 131

clustered; spike-like branches - -purplish nodes; hairy spikelets -

Front 132

Bouteloua hirsuta

Back 132

single spike -leaves short; twisted; mostly basal - -

Front 133

Calamagrostis canadensis

Back 133

panicle; lemmas with long basal hairs - - -

Front 134

Elymus virginicus

Back 134

spike; rigid; erect; long & narrow - - -

Front 135

Glyceria striata

Back 135

drooping panicle; parallel veins on glumes & lemmas - - -

Front 136

Hesperostipa spartea

Back 136

drooping panicle; lemmas very long & twisted - - -

Front 137

Koeleria macrantha

Back 137

infloresence spike-like; densely narrow & shiny -generally basal - -

Front 138

Leersia oryzoides

Back 138

nodding panicle -leaves strongly scabrous - -

Front 139

Oryzopsis asperifolia

Back 139

slender & condensed panicle; long & twisted lemmas - - -

Front 140

Panicum virgatum

Back 140

broad & diffuse panicle - -first -

Front 141

Phalaris arundinacea

Back 141

- - -

Front 142

Schizachyrium scoparium

Back 142

infloresence spike-like; very narrow - -purplish nodes; spikelets hairy -

Front 143

Sorghastrum nutans

Back 143

panicle - -long silky hairs on nodes; inflorescence golden; spikelets hairy -

Front 144

Sporobolus heterolepis

Back 144

pyramidal panicle - -leaves wiry & arching; spikelets purplish -

Front 145

Zizania palustris

Back 145

very large double panicle - - -

Front 146

Polygala paucifolia

Back 146

pea-like; pink flower; 1-few in terminal clusters -Leves ovate to elliptic; entire; clustered near stem apex with scale-like leaves lower down - -

Front 147

Polygala senega

Back 147

Small white flowers in dense terminal raceme -Leaves alternate; simple; entire; narrowly elliptic - -

Front 148

Persicaria amphibia

Back 148

Bright pink flowers in dense raceme -Leaves elliptic with sheathing stipules (ocrea) -aquatic -

Front 149

Potamogeton amplifolius

Back 149

Densely terminal spike -Leaves large; curved; and folded -aquatic -

Front 150

Potamogeton crispus

Back 150

Loose terminal spike -Leaves with minute teeth; narrowly ellpitic to obovate -aquatic -

Front 151

Stuckenia pectinata

Back 151

Loose terminal spike -Leaves filamentous -aquatic -

Front 152

Athyrium filix-femina

Back 152

undersides of leaves with J-shaped sori -lacy; densely clumped leaves - -

Front 153

Dryopteris carthusiana

Back 153

sori round with kidney-shaped indusia -stipe scaly at the base - -

Front 154

Equisetum fluviatile

Back 154

sporangia arranged in terminal strobili -stems smooth with ~20 ridges; up to 1 m tall - -

Front 155

Equisteum hyemale

Back 155

sporangia arranged in terminal strobili -stems rough; with ashy grey bands at the nodes - -

Front 156

Gymnocarpium dryopteris

Back 156

sori small; circular; lacking indusia -triangular; 3-parted leaf - -

Front 157

Huperzia lucidula

Back 157

sporangia at the base of leaf-like sporophylls -upright stems with narrow; needle-like leaves - -

Front 158

Lycopodium dendroideum

Back 158

sporangia arranged in strobili -horizontal and vertical stems with narrow; needle-like leaves - -

Front 159

Matteuccia struthiopteris

Back 159

fertile pinnae rolled inward to clasp spores -sterile & fertile leaves distinct - -

Front 160

Osmunda cinnamomea

Back 160

-bipinnate sterile leaves - -

Front 161

Pteridium aquilinum

Back 161

-broad; triangular dissected leaf - -

Front 162

Thelypteris palustris

Back 162

sori round; on underside of leaves near midvein -bipinnate; solitary leaves; not forming clumps - -

Front 163

Actaea rubra

Back 163

White flowers clustered on long stalks; fruit red or white berry -Leaves bipinnately compound; each leaflet with large acute teeth; occasionally lower leaflets also divided - -

Front 164

Anemone americana

Back 164

White to pale purple flowers on long stalks -Leaves 3-lobed; thickened; basal - -

Front 165

Anemone patens

Back 165

Very large single flowers with pale purple; separate tepals; in fruit styles become elongated and feathery -Leaves deeply divided; densely pubescent; basal - -

Front 166

Anemone quinquefolia

Back 166

Single; white flower on long stalks -Leaves in whorls (at top of stem) of 3 leaves; each with 3 toothed leaflets -Non-flowering plants with single ternately-divided and toothed leaf (sometimes further divided) -

Front 167

Aquilegia canadensis

Back 167

Red and yellow flowers with elongate nectar spurs on petals -Leaves ternatley compound; leaflets often further divided; several rounded teeth on margins - -

Front 168

Caltha palustris

Back 168

Several large yellow flowers -Leaves rounded; base cordate; margins toothed - -

Front 169

Coptis trifolia

Back 169

Single white flowers on long stalks -Leaves ternately compound; basal; margins with short sharp teeth -Gold colored root -

Front 170

Ranunculus hispidus

Back 170

Pale yellow flower on long stalks -Leaves usually ternately compound; margins toothed - -

Front 171

Thalictrum dasycarpum

Back 171

Perianth minute -Leaves compound; leaflets 3-lobed and acute -Plants dioecious -

Front 172

Thalictrum thalictroides

Back 172

White or pink flowers in terminal cluster -Leaves basal or whorled at top of stem; ternately compound; leaflets with usually 3 rounded teeth - -

Front 173

Rhamnus alnifolia

Back 173

Fruit black berry -Leaves alternate; with numerous rounded teeth and pinnate venation; apex acuminate - -

Front 174

Rhamnus cathartica

Back 174

Fruit black berry -Leaves subopposite to alternate; with few arcuate veins; apex often rounded or only abruptly acute -Thorn-like side branches -

Front 175

Amelanchier sp.

Back 175

Flowers/fruit in elongate racemes -Leaves folded along the midrib when they first emerge; sharply acute teeth curving towards leaf apex; leaf base usually not toothed - -

Front 176

Crataegus chrysocarpa

Back 176

Large apple-like flowers in rounded terminal racemes -Long thorns; leaves doubly-serrate; apex acute - -

Front 177

Geum aleppicum

Back 177

-Leaves pinnately compound; terminal leaflets larger than basal leaflets; deeply incised; several leaves in basal cluster - -

Front 178

Geum triflorum

Back 178

Maroon pendulous flowers; feathery styles elongate in fruit; epicalyx bracts dark maroon -Leaves basal; pinnately compound - -

Front 179

Prunus pensylvanica

Back 179

Flower on long pedicels in rounded clusters -Leaves ovate-lanceolate with long acuminate apex; toothed. -1+ glands on petiole -

Front 180

Prunus serotina

Back 180

Flowers in long racemes -Leaves +/-leathery and shiny; +/- elliptic with acuminate apex; reddish-brown hairs on lower midvein -1+ glands on petiole -

Front 181

Prunus virginiana

Back 181

Flowers in long racemes -Leaves +/- obovate with abrupt acute apex; lacking brown hairs on lower surface -1+ glands on petiole -

Front 182

Rosa arkansana

Back 182

Large flowers with dark pink petals -Leaves pinnately compound; with 7-9 leaflets; stipules connate to petiole -Thorns and prickles present -

Front 183

Galium boreale

Back 183

Small white flowers in terminal panicle -Leaves in whorls of 4; squared stem - -

Front 184

Maianthemum canadense

Back 184

Small flowers in terminal raceme -Leaves ovate; sessile; +/- cordate; 2-3 per stem - -

Front 185

Maianthemum stellatum

Back 185

Terminal inflorescence with a few; star-shaped flowers; fruit with dark stripes -Leaves sessile; lanceolate - -

Front 186

Zanthoxylum americanum

Back 186

Small fruit clustered in axils of leaves -Leaves pinnately compound -Paired thorns at each node -

Front 187

Populus grandidentata

Back 187

Catkins -Leaves large oval; with rounded teeth - -

Front 188

Populus tremuloides

Back 188

Catkins -Leaves nearly triangular; with small teeth - -

Front 189

Salix exigua

Back 189

Catkins -Leaves much longer than wide; widely spaced teeth on margins - -

Front 190

Salix pedicellaris

Back 190

Catkins -Leaves elliptic or obovate; margins entire - -

Front 191

Acer rubrum

Back 191

Fruits winged; reddish; paired and almost parallel -Leaves opposite; three lobed; margins toothed; sinuses angled - -

Front 192

Acer saccharum

Back 192

Fruits winged; brown; paired with wide angle -Leaves opposite; 3-5 lobed; margins entire; sinuses rounded - -

Front 193

Acer spicatum

Back 193

Fruits winged; yellow; paired with nearly 90 degree angle -Leaves opposite; 3-lobed; margins toothed - -

Front 194

Sarracenia purpurea

Back 194

Single; large flower on long stalk -Leaves in basal rosette; modified into pitchers - -

Front 195

Heuchera richardsonii

Back 195

Elongated terminal racemes -Leaves basal; lobed; base cordate; pair of smaller cauline leaves - -

Front 196

Mitella diphylla

Back 196

Small flowers widely spaced on elongate raceme; petals divided into linear segments -Leaves in basal rosette; pair of small leaves on stem - -

Front 197

Saxifraga pensylvanica

Back 197

Elongate panicle on long stalk -Leaves large; oblanceolate; basal; pubescent along lower margin - -

Front 198

Laportea canadensis

Back 198

Flowers in axillary and terminal panicles -Leaves alternate; on long petioles; margins with large teeth; pinnately veined - -

Front 199

Viola palmata (V. pedatifida)

Back 199

Blue/violet bilateral flowers on long stalks -Leaves in basal rosetted; shallowly to deeply (almost compound) lobed - -