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Bouteloua eriopoda
BLACK GRAMA

Bouteloua eriopoda (Torr.) Torr.
NATIVE
Habit: Perennial herb, generally stoloned. Stem: decumbent to erect, 1.5--6 dm; internodes, especially lower, hairy. Leaf: blade < 10 cm, < 2 mm wide. Inflorescence: branches 2--7, 10--40 mm, spreading to appressed, persistent in fruit; branch axis slightly prolonged beyond terminal spikelet node, base densely hairy; spikelets 6--18 per branch, ascending to appressed, breaking apart between glumes and lower floret. Spikelet: upper glume 4--8 mm, glabrous or puberulent, sharply acute; florets 2; lower floret lemma +- >= upper glume, base hairy-tufted, glabrous or sparsely hairy above, lobes generally 0, central awn 1.5--4 mm, lateral awns 0--1.5 mm; upper floret base hairy-tufted, lobes generally 0 between awn bases, awns 4--8 mm, +- equal. Chromosomes: 2n=20,21,28.
Ecology: Dry, open, sandy to rocky slopes, flats, drainages, scrub, woodland; Elevation: 900--1900 m. Bioregional Distribution: e DMtns; Distribution Outside California: to Wyoming, Oklahoma, northern Mexico. Flowering Time: May--Oct
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Listed on CNPS Rare Plant Inventory

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botanical illustration including Bouteloua eriopoda

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Citation for this treatment: Bouteloua eriopoda, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=101961, accessed on November 20, 2017.

Citation for the whole project: Jepson Flora Project (eds.) 2017, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on November 20, 2017.