FORKTIP THREEAWN
File Size: 48 KB
 
Aristida basiramea  Engelm. ex  Vasey
Russell County, Kansas
Annual
Height: 12-20 inches
Family: Poaceae - Grass Family
Flowering Period:   August, September
Culms: Erect, wiry, hollow, glabrous, often rough, branching at nodes.
Blades: Very narrow, pale green, flat to often rolled inward, 1.2 to 3.2 inches long, 1/25 to 1/16 inch wide, glabrous or nearly so, sometimes soft-hairy near collar.
Sheaths: Shorter than internodes, glabrous to rough.
Ligules: Small, hairy.
Inflorescences: Panicles, narrow, terminal and axillary; terminal 2 to 4 inches long, 2/5 to 4/5 inch wide, rather loose, branches ascending; lateral shorter, more slender, scarcely surpassing the sheaths.
Spikelets: Few, 1-flowered; glumes unequal, 1-veined, brown to purplish, tapering to points with short awns; upper glume 1/2 to 3/5 inch long; lower glume 1/4 to 2/5 inch long; lemmas narrow, firm, 1/3 to 2/5 inch long, light grey, mottled; bases prominent, soft-hairy; tip 3-awned; central awn 2/5 to 3/5 inch long, spirally coiled at base when dry; lateral awns 1/5 to 2/5 inch long, somewhat spreading, often curved or twisted at base but not coiled.
Habitat: Open disturbed areas, pastures, roadsides, waste ground; dry, sandy soils.
Distribution: East 2/3 of Kansas.
Origin: Native
Comments: Tufted

Forktip threeawn spikelets
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Russell County, Kansas
Forktip threeawn awns
32 KB
Russell County, Kansas
Forktip threeawn inflorescence
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Russell County, Kansas
Forktip threeawn
168 KB
Russell County, Kansas
Forktip threeawn
56 KB
Russell County, Kansas