Sporobolus macrospermus Scribn. ex Beal

Sporobolus macrospermus Scribn.; Beal, Grasses N. Am. 2:
302. 1896.
Annual; culms erect, branching and geniculate at base, glabrous, 15-30 cm. tall; sheaths crowded toward the base, glabrous, tinuppermost elongate with a reduced blade; ligule very short, ciliate; blades flat or loosely involute, ciliate with scattering long weak hairs, glabrous beneath or sometimes sparsely pilose on the upper surface, mostly less than 5 cm. long, 1-3 mm. wide; panicles narrowly pyramidal, open, mostly brownish, mostly 3-8 cm. long, the axis glabrous, the capillary branches in verticils, spreading, flexuous, glabrous, 1-2 cm. long, bearing a pikelets on the upper half, these longer than the pedicels; spikelets about 2 mm. long, glabrous, t he first glume one third to half as long, the second as long as the spikelet.
Type I." 1 ai.ity: Guadalajara, Mexico (Pringle 2447).
Distribution: Rocky or sterile open ground, southern Mexi o and Guatemala.

Sporobolus macrospermus là một loài thực vật có hoa trong họ Hòa thảo. Loài này được Scribn. ex Beal miêu tả khoa học đầu tiên năm 1887.