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Plant - fall
Rimrock Verde Valley Sue Smith | Blades
Rimrock Verde Valley John Kava | Blades
Rimrock Verde Valley John Kava | Seedhead
Rimrock Verde Valley John Kava | Seedhead
Rimrock Verde Valley John Kava | Spikelets
Rimrock Verde Valley Sue Smith | | | | | |
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Origin: Native Season: Warm
Habitat Description: Dry mesas, washes and waste places.
Plant Communities: Desert Scrub, Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Disturbed Areas
Elevation: Below 6000 feet
Desc: Small wiry weak-stemmed annual grass with one-sided and few-flowered seedheads, superficially resembling a three-awn grass, extremely variable in size.
Identification notes: Annual; blades few up to 6 inches; seedheads narrow, fall intact at maturity, stems bearded, sharp pointed at the base; spikelets irregularly spaced; glumes narrow, taper to a sharp point; lemmas have hairy nerves and are toothed.
Grass Type: Annual Rhizomes: N Stolons: N
Large Dense Clump (> 2 feet): N Bushy (highly branched): N
Height with Seedheads: Less than 12 inches
Seedhead Structure: Branched - comblike branches Seedhead Droops: N
Flowering Period: Jun - Oct
Number of Flowers per Spikelet: Multi-flowered Spikelets One-sided: Y
Awns: 1/4 inch to 1 inch Three Awns: Y Awns Bent: N
Flower and Seedhead Notes: Slender axis with 8 to 14 branches of 2 to 4 spikelets, one fertile. Rudimentary florets are 3 awned, resembling Aristida species. Central stem where spikelets attach is densely hairy and extends beyond the terminal spikelet.
Blade Hairy: Y Blade with White Margin: N Blade Cross Section: Flat or folded
Blade Notes: Blades few and thin, 5-1/2 inches long and less than 1/8 inch wide, flat or folded, top surfaces and margins near the ligules have hairs with nipple-like bases.
Sheath Hairy: N Tuft of Hairs Top of Sheath or Collar: Y Ligules: Membranous and hairy
Auricles (Ear-like lobes at base of blades): N
Vegetative Notes: Ligules less than 1/16 inch, membranous, appearing torn at the edge or irregularly cleft or fringed with hairs on the margin.
Forage Value: Not significant as forage.
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