Family: Poaceae Grass Family
Plant group comprising one of the largest families of flowering plants. Formerly referred to as Graminae.
Genus: Aristida Threeawn
About 300 species worldwide. Distinguished by having three awns (bristles) on each lemma of each floret. Tribe Aristideae.
Scientific Name: Aristida oligantha (Michx.)
Common Name(s): Prairie Threeawn, Plains Three-awn Grass, Oldfield Three-awn
Growth Type: annual
Species Description:
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 | Caption: Illustration of prairie threeawn detailing its panicle inflorescence, spikelets and awns.
ID: Hrb-ARKOL-001
Source: 35mm slide (illustration)
Credit:
Keyword(s): inflorescence, mature
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