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15 Cards in this Set
- Front
- Back
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Poaceae:
Plant habit |
herbs (perennial or annual)
trees (in bamboos) |
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Poaceae:
Describe the stems |
Hollow-pithed stems
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Poaceae:
Leaf attachment |
Open-sheathed
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Poaceae:
Leaf arrangement |
Distichous
(Definition: Arranged in two vertical rows on opposite sides of an axis) |
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Poaceae:
Term for structure at inner junction of sheath and blade of leaf. |
Ligule
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Poaceae:
Inflorescence type |
grass spikelet
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Poaceae:
Term for the two basal bracts of a *spikelet*? |
Glume(s)
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Poaceae:
What are the 2 major anatomical structures of a spikelet? |
- Two basal bracts (glumes)
- 1 --> infinity amount of florets |
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Poaceae:
Term for the two bracts of a *floret*? |
- a lower, odd-veined Lemmas
- an upper, 2-veined Palea |
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Poaceae:
What are the 3 major anatomical structures of a floret? |
- Lemma
- Palea - Flower |
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Poaceae:
Describe the anatomical structures of a floret's flower. |
- Perianth with 2-3 lodicules
- 2-3 pendulous stamens - a single, 2-3 carpellate 1-ovuled ovary with 2-3 plumose stigmas |
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Poaceae:
Fruit type |
Caryopsis (grain)
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Poaceae:
Number of stamens in a floret? |
2-3 pendulous stamens
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Poaceae:
Number of carpels of ovary of a floret? |
2-3 carpels
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Poaceae:
FLORAL FORMULA (P.A.G, not K.C.A.G) |
P: 2-3
A: 2-3 G: (2-3); superior |
