Sporobolus buckleyi Vasey

Sporobolus buckleyi Vasey, Bull. Torrey Club 10: 128. 1883
Perennial, the base strongly compressed; culms erect, slender, glabrous, 1-3-noded, 40-100 cm. tall; sheaths compressed, strongly overlapping below, densely pilose at the throat, on the margin and on the collar; ligule very short; blades flat, glabrous except the scabrous margins, elongate, 3-7 or as much as 10 mm. wide; panicles open, 10-30 cm. long, the axis glabrous, the branches capillary, widely spreading, solitary, rather distant, glabrous on the axils, naked below, 5-20 cm. long, the branchlets mostly short and more or less appressed, rather closely flowered; spikelets 1.5 mm. long; glumes narrow, the first a little shorter, the second a little longer than the acute lemma; palea about as long as the lemma, splitting as the grain (1 mm. long) ripens.
Type locality: Texas {Buckley).
Distribution: Thickets, open ground, and along roads and trails, Texas and eastern Mexico; common in Yucatan.

Perennials, Terrestrial, not aquatic, Stems nodes swollen or brittle, Stems erect or ascending, Stems caespitose, tufted, or clustered, Stems terete, round in cross section, or polygonal, Stem internodes hollow, Stems with inflorescence less than 1 m tall, Stems, culms, or scapes exceeding basal leaves, Leaves mostly basal, below middle of stem, Leaves mostly cauline, Leaves conspicuously 2-ranked, distichous, Leaves sheathing at base, Leaf sheath mostly open, or loose, Leaf sheath smooth, glabrous, Leaf sheath or blade keeled, Leaf sheath and blade differentiated, Leaf blades linear, Leaf blades 2-10 mm wide, Leaf blade s mostly flat, Leaf blade margins folded, involute, or conduplicate, Leaf blades mostly glabrous, Leaf blades scabrous, roughened, or wrinkled, Ligule present, Ligule a fringe of hairs, Inflorescence terminal, Inflorescence an open panicle, openly paniculate, branches spreading, Inflorescence solitary, with 1 spike, fascicle, glomerule, head, or cluster per stem or culm, Inflorescence lax, widely spreading, branches drooping, pendulous, Inflorescence branches more than 10 to numerous, Flowers bisexual, Spikelets pedicellate, Spikelets laterally compressed, Spikelet less than 3 mm wide, Spikelets with 1 fertile floret, Spikelets solitary at rachis nodes, Spikelets all alike and fertille, Spikelets bisexual, Spikelets disarticulating above the glumes, glumes persistent, Rachilla or pedicel glabrous, Glumes present, empty bracts, Glumes 2 clearly present, Glumes distinctly unequal, Glumes equal to or longer than adjacent lemma, Glumes 1 nerved, Lemmas thin, chartaceous, hyaline , cartilaginous, or membranous, Lemma similar in texture to glumes, Lemma 1 nerved, Lemma glabrous, Lemma apex acute or acuminate, Lemma awnless, Lemma straight, Palea present, well developed, Palea membranous, hyaline, Palea about equal to lemma, Palea 2 nerved or 2 keeled, Stamens 3, Styles 2-fid, deeply 2-branched, Stigmas 2, Fruit - caryopsis, Caryopsis ellipsoid, longitudinally grooved, hilum long-linear.

Sporobolus buckleyi là một loài thực vật có hoa trong họ Hòa thảo. Loài này được Vasey miêu tả khoa học đầu tiên năm 1893.