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|Jepson eFlora: Taxon page
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|Family: Poaceae (Gramineae)||View Description||Dichotomous Key|
|Genus: Bouteloua||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Bouteloua barbata Lag. var. barbata
Habit: Annual. Stem: prostrate to erect, 0.3--3 dm. Leaf: blade < 6 cm, < 2 mm wide. Inflorescence: branches 2--8, 6--25 mm, spreading to appressed, persistent in fruit; branch axis terminated by spikelet, base glabrous or puberulent; spikelets 7--40 per branch, spreading to ascending, breaking apart between glumes and lower floret. Spikelet: upper glume 1.5--3 mm, glabrous or puberulent, tip notched, awned from sinus < 1 mm; florets 2--3, lower floret lemma +- = upper glume, hairy below middle, tip 2-lobed, awns 0.5--3 mm, +- equal, central awn from sinus; base of middle or, if only 2 florets, upper floret hairy-tufted, lobed between awn bases, awns 1--3.5 mm, +- equal; uppermost floret (if present) < 1 mm, awn 0. Chromosomes: 2n=20,40.
Ecology: Generally open, sandy to rocky slopes, flats, washes, roadsides, disturbed sites, scrub, woodland, pine forest; Elevation: < 1800 m. Bioregional Distribution: SnJV, e SCo, e PR, D; Distribution Outside California: to Montana, Kansas, southern Mexico, Argentina. Flowering Time: All year Note: Other varieties in Arizona, New Mexico, northern Mexico.
eFlora Treatment Author: J. Travis Columbus
Jepson Online Interchange
Previous taxon: Bouteloua aristidoides var. aristidoides
Next taxon: Bouteloua curtipendula
Citation for this treatment: J. Travis Columbus 2017. Bouteloua barbata var. barbata, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=71517, accessed on February 26, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 26, 2017.