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20 Cards in this Set
- Front
- Back
- 3rd side (hint)
leaves coarsely double toothed, perfect white flowers in clusters on short shoots, prominent thorns
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Rosaceae (Rose)
Crataegus douglasii Black hawthorn |
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sharp thorn-like spur shoots, fruit green to yellowish and red pomes (press H)
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Rosaceae (Rose)
Malus fusca Pacific crab apple |
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leaves alternate & slightly fuzzy on underside, 1-2 glands at leaf base, large sharp buds and prominent lenicels (press H), bright red fruit
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Rosaceae (Rose)
Prunus emarginata Bitter cherry |
buds & twig
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2 distinctive glands on petiole near blade of leaf, buds large & sharp, prominent lenicels (press H)
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Rosaceae (Rose)
Prunus virginiana Choke cherry |
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alternate pinnately compound leaves, large buds covered in white wooly hair (press H)
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Rosaceae (Rose)
Sorbus aucuparia European mountain ash |
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alternate compound leaves with no terminal leaflet, thorns smooth/sharp and branched, no terminal buds, large (15-40 cm) pods that are flat and twisted (press H) one per stalk
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Caesalpinaceae (Cassia)
Gleditsia triacanthos Honey locust bonus picture: BAD ASS THORNS |
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pinnately compound leaves with terminal leaflet, seed pods 7-10 cm that are flat with several on central stalk (press H)
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Fabaceae (Pea)
Robinia pseudoacacia Black Locust |
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mature leaves shiny almost parallel to midvein and distinct peripheral vein, buds club shaped, fruit a capsule that is pear shaped
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Myrtaceae (Myrtle)
Eucalytpus pauciflora Snow Gum |
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wavy leaf margin, prominent lenticels, fruit is bright red drupe in cluster
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Cornaceae (Dogwood)
Cornus nuttallii Western flowering dogwood |
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prominent veins (make "grooves" in leaf), fruit is berry-like drupe
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Rhamnaceae (Buckthorn)
Rhamnus purshiana Cascara |
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large palmately compound leaves, big terminal buds that are sticky, fruit is spiny capsule with large pale spot and not pointed (press H)
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Hippocastanaceae (Horse-chestnut)
Aesculus hippocastanum Horse chestnut |
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palmate opposite leaves with roundish shape, fruit is double samara with ~180° split (press H)
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Aceraceae (Maple)
Acer circinatum Vine maple |
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palmate double toothed opposite leaves, buds slightly stalked, wrinkled seed case and usually small angle on samaras (press H)
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Aceraceae (Maple)
Acer glabrum var. douglasii Douglas maple |
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large leafs with 5 lobes/irregular/opposite arrangement, seedcase hairy/swollen angle ~60-90° (press H)
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Aceraceae (Maple)
Acer macrophyllum Bigleaf maple |
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leaves pinnately compound/opposite and highly variable, twigs covered with grey waxy powder that rubs off easily, buds infrapetiolar, small (<45°) angle on samara
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Aceraceae (Maple)
Acer negundo Manitoba maple |
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Aceraceae (Maple)
Acer rubrum Red maple |
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opposite leaves palmate with deep sinuses and sharp teeth, pale underside of leaf, ~90° angle on samaras (press H)
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Aceraceae (Maple)
Acer saccharinum Silver maple |
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leaf lobes with long tips and opposite, fruits have plump seedcase and ~60° angle between wings (press H)
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Aceraceae (Maple)
Acer saccharum Sugar maple |
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leaves pinnately compound and opposite, buds blunt/dark and 4 sided pyramids, fruits a single samara
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Oleaceae (Olive)
Fraxinus americana White ash |
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large cordate leaves arranged in whorls, fruit is a LONG cylindrical capsule that is not a bean (press H)
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Bignoniaceae (Trumpet-creeper)
Catalpa speciosa Northern catalpa |
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