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 Seedheads and blades USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950. Manual of the grasses of the United States. USDA Miscellaneous Publication No. 200. Washington, DC. | | | | | |
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Origin: Native Season: Cool
Habitat Description: Open canyon bottoms, rocky or sandy slopes, sandy drainages, and rocky road cuts; grama grasslands, oak-juniper woodlands, and chaparral associations.
Plant Communities:Desert Scrub, Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Disturbed Areas
Elevation: 70 - 5800 feet
Desc:
Seedhead stem 4 to 36 inches, erect with sharp bends or prostate on the ground with the tip ascending.
Identification Notes: Annual with erect or decumbent stems, much branched below, internodes rough or with stiff hairs below the nodes. Seedhead branches closely appressed, usually < 1/2 inch wide and partially enclosed in the sheath at maturity; glumes generally 1/16 inch.
Grass Type: Annual Rhizomes: Y Stolons: N
Large Dense Clump (> 2 feet): N Bushy (highly branched): Y
Height with Seedheads: 12 to 24 inches
Seedhead Structure: Branched - contracted Seedhead Droops: N
Flowering Period: Apr - May
Number of Flowers per Spikelet: Multi-flowered Spikelets One-sided: N
Awns: 1/4 inch to 1 inch Three Awns: N Awns Bent: N
Flower and Seedhead Notes: Seedhead primary branches ascending, closely appressed, usually partially included in the sheaths, separate at maturity, usually above the glumes. Spikelets have 1 floret. Lower glumes sometimes rudimentary or absent, occasionally deeply two-lobed.
Blade Hairy:
Y
Blade with White Margins:
N
Blade Cross section:
Flat or folded
Blade Notes:
Blades toothed, rough on bottom, hairy on top.
Sheath Hairy:
N
Tuft of Hairs at top of Sheath or Collar:
N
Ligules:
Membranous
Auricles (Ear-like lobes at collar area:
N
Forage Value:
Not available.
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