Bouteloua disticha (Kunth) Benth.

Bouteloua disticha (H.B.K.) Benth. Jour. Linn. Soc
19: 105. 1881.
Polyodon distichum H.B.K. Nov. Gen. & Sp. 1: 175. 1816.
Eutriana Polyodon Trin. Gram. Unifl. 242. 1824. (Based on Polyodon distichum H.B.K.)
Athcropogon distichus Spreng. Syst. 1: 294. 1825. (Based on Polyodon distichum H.B.K.)
Eutriana pilosa Hook. {. Trans. Linn. Soc. Bot. 20: 173. 1847. (Type from Albemarle Island,
Galapagos Islands, Macrae.) Eutriana gracilis Hook. f. Trans. Linn. Soc. Bot. 20: 175. 1847. (Type from Tucuman, Argentina,
Tweedie.) Bouteloua pilosa Benth.; S. Wats. Proc. Am. Acad. 18: 179. 1883. (Based on Eutriana tilosa
Hook, f .) Eutriana mucronata F. Aresch. Freg. Eugenics Rcsa Bot. 118. 1910. (Type from Ecuador.)
Annual; culms slender, branching, usually decumbent-spreading, sometimes straggling, glabrous; sheaths mostly shorter than the internodes, glabrous or usually papillose-pilose, especially toward the summit, the collar often densely pubescent; ligule ciliate, about 0.5 ram. long; blades flat, acuminate, 5-20 cm. long, rarely longer, 2-7 mm. wide, scabrous, more or less papillose-pilose; spikes 10-25, 5-8 mm. long, not including the awns, usually spreading, falling entire; glumes acuminate, scabrous, the first 3-5 mm. long, the second 5-8 mm. long; fertile lemma 5-6 mm. long, 3-toothed, the teeth aristate, the central one minutely bifid; rudiment small, reduced to an awn scarcely longer than the fertile floret, or glumaceous, the tip deeply bifid, the central awn rather stout, as much as 1 cm. long, the lateral ones from near the middle of the lemma, shorter and more slender than the central.
Type locality: Quito, Ecuador (Humboldt b" Bonpland.)
Distribution: Open or brushy places, Guatemala and the West Indies, and southward to Peru; also in Galapagos Islands.

Bouteloua disticha là một loài thực vật có hoa trong họ Hòa thảo. Loài này được (Kunth) Benth. mô tả khoa học đầu tiên năm 1881.