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40 Cards in this Set
- Front
- Back
1. Catkin-bearing, monoecious trees
2. Simple, serrate leaves 3. Flowers minute 4. Fruit a nut or samara subtended by bracts |
Family Betulaceae
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1. Herbs with opposite leaves
2. Swollen nodes 3. Free-central placentation 4. Capsule opening by teeth |
Family Caryophyllaceae
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1. Succulent, spiny herbs
2. Showy flowers with numerous perianth parts 3. Many stamens 4. Inferior ovary |
Family Cactaceae
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1. Herbs with opposite leaves
2. Bracts mimic sepals, often brightly colored 3. Sepals petaloid 4. Fruit enclosed by persistent calyx |
Family Nyctaginaceae
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1. Lower stems often reddish
2. Flowers minute, green 3. Scarious, papery bracts 4. Fruit an utricle or pyxis |
Family Amaranthaceae
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1. Halophytic or xerophytic herbs
2. Often fleshy 3. Minute, green flowers 4. No dry, papery bracts |
Family Chenopodiaceae
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1. Herbs with swollen nodes
2. Ocrea present 3. Petaloid calyx 4. Lens-shaped or triangular achene |
Family Polygonaceae
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1. Succulent herbs
2. Stipulate with stipules often scarious or hairy 3. 2 sepals 4. Basal placentation |
Family Portulacaceae
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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
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1. Large rosette herbs
2. Leaves with thick fibers 3. Leaves with sharp spine at apex 4. Seeds with phytomelan, flat |
Family Agavaceae
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1. Often epiphytic herbs
2. 2-ranked leaves 3. 3-merous zygomorphic flowers 4. Flowers with labellum, pollinia, gynandrium 5. Inferior ovary |
Family Orchidaceae
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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
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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
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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)
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The three families of gymnosperms in Colorado are...
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Pinaceae, Cupressaceae, Ephedraceae
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This plant helps to make Gin, what is the family this plant belongs to?
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Family Cupressaceae
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You might cut-down a member of this family for christmas?
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Pinaceae
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Leave reduced to fused scales
Separate male and female cones |
Family Ephedraceae
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Two small chafflike bract enclosing the flower of a grass.
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Palea and Lemma
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Sterile bracts at the base of a typical grass spikelet
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Glumes
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small sacs that inflate to spread apart the lemma and palea for anthers and stigmas to be exposed
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Lodicules
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The broad expanded part of a leaf
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Blade
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Thin, membranous, and dry
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Scarious
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Arranged in folds like those of a fan; pleated
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Plicate
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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
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Perigynium
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part of the leaf that enwraps the culm or other leaves.
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Sheath
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A mass of coherent pollen grains, found in the flowers of orchids and milkweeds
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Pollinia
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a small cyme, generally with few flowers
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Cymule
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Having the shape of a needle
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Acicular
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a large leaf (especially of a palm or fern) usually with many divisions
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Frond
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A division of the perianth of a flower in which the sepals and petals are indistinguishable, as in tulips and lilies.
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Tepal
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The stem of a grass or similar plant
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Culm
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region where spines are clustered
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Areole
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perianth base + fruit, found in the Nyctaginaceae family
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Anthocarp
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A term used to describe a flower that is twisted or upside down, the vast majority of orchids
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Resupinate
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The lower enlarged petal of an orchid flower.
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Labellum (lip)
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a sterile, flaplike modified stigma that separates the anthers from the stigmas in some orchids
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Rostellum
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plant that derives moisture and nutrients from the air and rain; usually grows on another plant but not parasitic on it
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Epiphytic
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Stigmas, styles and androeciumare united to form the _____ in an orchid
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Gynandrium
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Modified stipule sheathing the stem at the node in the Polygonaceae Family
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Ocrea
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