Hordeum intercedens |
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bobtail barley, vernal barley |
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Habit | Plants annual; loosely tufted. |
Culms | 5-40 cm, erect to geniculate; nodes usually pubescent. |
Sheaths | with stripes of hairs; ligules 0.3-0.8 mm; auricles usually absent, shorter than 2 mm if present; blades to 9 cm long, to 4 mm wide, both surfaces sparsely to densely hairy, hairs spreading. |
Spikes | 2.5-6.2 cm long, 4-6 mm wide, often partially enclosed at maturity, pale green. |
Glumes | straight, usually slightly divergent at maturity. |
Central | spikelets: glumes to 17 mm long, to 0.8 mm wide basally, distinctly flattened near the base; lemmas 4.5-7.5 mm, usually sparsely pubescent towards the base, glabrous distally, awned, awns 5.6-9.8 mm, often slightly divergent at maturity; anthers 0.6-1.2 mm. |
Lateral | spikelets usually sterile; glumes to 17.5 mm, distinctly flattened near the base; lemmas 1.7-4.4 mm, blunt to acute, usually unawned, rarely awned, awns to 1.2 mm. |
2n | = 14. |
Hordeum intercedens |
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Distribution |
CA
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Discussion | Hordeum intercedens grows in vernal pools and flooded, often saline river beds and alkaline flats. It is restricted to southwestern California, including some of the coastal islands, and northwestern Baja California, Mexico. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 24, p. 242. |
Parent taxa | Poaceae > subfam. Pooideae > tribe Triticeae > Hordeum |
Sibling taxa | |
Name authority | Nevski |
Web links |