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40 Cards in this Set

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1. Catkin-bearing, monoecious trees
2. Simple, serrate leaves
3. Flowers minute
4. Fruit a nut or samara subtended by bracts
Family Betulaceae
1. Herbs with opposite leaves
2. Swollen nodes
3. Free-central placentation
4. Capsule opening by teeth
Family Caryophyllaceae
1. Succulent, spiny herbs
2. Showy flowers with numerous
perianth parts
3. Many stamens
4. Inferior ovary
Family Cactaceae
1. Herbs with opposite leaves
2. Bracts mimic sepals, often brightly colored
3. Sepals petaloid
4. Fruit enclosed by persistent calyx
Family Nyctaginaceae
1. Lower stems often reddish
2. Flowers minute, green
3. Scarious, papery bracts
4. Fruit an utricle or pyxis
Family Amaranthaceae
1. Halophytic or xerophytic herbs
2. Often fleshy
3. Minute, green flowers
4. No dry, papery bracts
Family Chenopodiaceae
1. Herbs with swollen nodes
2. Ocrea present
3. Petaloid calyx
4. Lens-shaped or triangular achene
Family Polygonaceae
1. Succulent herbs
2. Stipulate with stipules often
scarious or hairy
3. 2 sepals
4. Basal placentation
Family Portulacaceae
1. Perennial herbs from bulbs
2. Leaves with parallel venation
3. Flowers with 6 parts
4. Gynoecium of 3 carpels
5. Seeds not black-coated
6. Tepals often with spots or lines
Family Liliaceae
1. Large rosette herbs
2. Leaves with thick fibers
3. Leaves with sharp spine at apex
4. Seeds with phytomelan, flat
Family Agavaceae
1. Often epiphytic herbs
2. 2-ranked leaves
3. 3-merous zygomorphic flowers
4. Flowers with labellum, pollinia,
5. Inferior ovary
Family Orchidaceae
1. Grass-like herbs of wet and damp sites
2. Basal, tufted, reduced leaves
3. Reduced, inconspicuous flowers
4. Flowers with 6 tepals
5. Fruit a capsule
Family Juncaceae
1. Grass-like herbs
2. 3-sided, solid stems (usually)
3. 3-ranked leaves
4. Closed sheaths
5. 1 bract subtends flowers
6. Perigynium
7. Fruit an achene, 1 seed
Family Cyperaceae
1. Herbs with 2-ranked leaves
2. Hollow culms
3. Ligules, open sheath
4. Flowers in spikelets
5. 2 bracts subtending flowers – lemma
and palea
Family Poaceae (Graminae)
The three families of gymnosperms in Colorado are...
Pinaceae, Cupressaceae, Ephedraceae
This plant helps to make Gin, what is the family this plant belongs to?
Family Cupressaceae
You might cut-down a member of this family for christmas?
Leave reduced to fused scales
Separate male and female cones
Family Ephedraceae
Two small chafflike bract enclosing the flower of a grass.
Palea and Lemma
Sterile bracts at the base of a typical grass spikelet
small sacs that inflate to spread apart the lemma and palea for anthers and stigmas to be exposed
The broad expanded part of a leaf
Thin, membranous, and dry
Arranged in folds like those of a fan; pleated
Some unusual appendage about the pistil, as the bottle-shaped body in the sedges, and the bristles or scales in some other genera of the Cyperaceae family
part of the leaf that enwraps the culm or other leaves.
A mass of coherent pollen grains, found in the flowers of orchids and milkweeds
a small cyme, generally with few flowers
Having the shape of a needle
a large leaf (especially of a palm or fern) usually with many divisions
A division of the perianth of a flower in which the sepals and petals are indistinguishable, as in tulips and lilies.
The stem of a grass or similar plant
region where spines are clustered
perianth base + fruit, found in the Nyctaginaceae family
A term used to describe a flower that is twisted or upside down, the vast majority of orchids
The lower enlarged petal of an orchid flower.
Labellum (lip)
a sterile, flaplike modified stigma that separates the anthers from the stigmas in some orchids
plant that derives moisture and nutrients from the air and rain; usually grows on another plant but not parasitic on it
Stigmas, styles and androeciumare united to form the _____ in an orchid
Modified stipule sheathing the stem at the node in the Polygonaceae Family