Bromus berteroanus |
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Chilean chess |
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Habit | Plants annual; often tufted. |
Culms | 30-60 cm, slender. |
Sheaths | pilose-pubescent to nearly glabrous; blades 7-28 cm long, 2-9 mm wide, pilose or glabrous. |
Panicles | 10-20 cm long, 3-9 cm wide, erect, dense; branches appressed to spreading, sometimes flexuous. |
Spikelets | 15-20 mm, elliptic to lanceolate, more or less terete, with 3-9 florets. |
Glumes | glabrous, acuminate; lower glumes 8-10 mm, 1-veined; upper glumes 12-16 mm, 3(5)-veined; lemmas 11-14 mm, lanceolate to linear-lanceolate, sparsely pubescent, 5-veined, rounded over the midvein, apices acuminate, bifid, teeth 2-3 mm, usually aristate, sometimes acuminate; awns 13-20 mm, geniculate, strongly to moderately twisted in the basal portion, arising 1.5 mm or more below the lemma apices; anthers 2-2.5 mm. |
2n | = unknown. |
Bromus berteroanus |
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Distribution |
AZ; CA; NV; OR; UT
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Discussion | Bromus berteroanus is from Chile, and can now be found in dry areas in western North America, including British Columbia, Montana, California, Nevada, Arizona, southwestern Utah, and Baja California, Mexico. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 24, p. 224. |
Parent taxa | |
Sibling taxa | |
Synonyms | B. trinii var. excelsus, B. trinii |
Name authority | Colla |
Web links |