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 Plant - summer Watson LakeSue Smith |  Seedhead Watson LakeSue Smith | | | | |
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Origin: Introduced Season: Cool
Habitat Description: Disturbed sites, such as overgrazed rangelands, fields, sand dunes, roads, and waste places.
Plant Communities:Disturbed Areas
Elevation: 500 - 6000 feet
Desc:
Erect, usually multi-stemmed annual grass with drooping seedheads that may form large stands on disturbed places. Many seeds are produced by such a small plant.
Identification Notes: Highly invasive annual grass with many erect unbranched stems, 1 to 2 feet tall; blades flat and hairy; spikelet stems long and drooping; lemmas broad, rounded, apical teeth <1 mm long; awns straight, arising below the lemma apices, 1/2 inch long.
Grass Type: Annual Rhizomes: N Stolons: N
Large Dense Clump (> 2 feet): N Bushy (highly branched): N
Height with Seedheads: 12 to 24 inches
Seedhead Structure: Branched - open and spreading Seedhead Droops: Y
Flowering Period: May - Jun
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: Open, with the spikelets drooping on slender stems, often purple. Lemmas hairy.
Blade Hairy:
Y
Blade with White Margins:
N
Blade Cross section:
Flat
Blade Notes:
Blades short, 1/2 to 1-1/4 inches long, to 1/4 inch wide, covered with soft fine hairs.
Sheath Hairy:
Y
Tuft of Hairs at top of Sheath or Collar:
N
Ligules:
Membranous
Auricles (Ear-like lobes at collar area:
N
Forage Value:
Good when green before setting seedheads. After, poor sparse feed. Awns may penetrate facial tissues of grazing animals.
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