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Botany 122:
Flowering Plant Identification

Glossary  

Poaceae: (Gramineae) Grass Family

Family: Poaceae (Gramineae) Grass Family
900/10,000 93/465 pg. 1462
Habit Grass like
Stem: Hollow except at nodes, Round in cross section
Leaves: Blade and sheath, ligule often present
Inflorescence: Spikelet
Flower: Hypogynous, reduced and highly specialized
Perianth: Ø
Calyx: Ø
Corolla: Ø
Hypanthium: Ø
Androecium: 3 stamens
Gynoecium: Syncarpous 2
Ovary position: Superior, 1 locule, 1 ovule
Stigma: 2 plumose
Style: United
Fruit type: Caryopsis
Other: All the true grain crops are in this family
Representatives: Wheat, oats, rye, corn, rice, and lots of forage genera

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( Revised Spring 2000 )
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