Bulbostylis barbata
in J. D. Hooker, Fl. Brit. India 6: 651. 1893.
Herbs, annual, densely cespitose, scapose, low. Culms 5–20(–30) cm. Leaves to 2/3 length of scapes; sheaths greenish or tan, glabrous or hispidulous on ribs; blades spreading, filiform, 0.5 mm wide, involute, margins scabridulous. Inflorescences: scapes filiform, coarsely few ribbed, to 0.5 mm thick; spikelets in terminal headlike, involucrate clusters, 1–1.5 cm wide; involucral bracts with setaceous blades rarely exceeding inflorescence. Spikelets red to red-brown or dull brown, lance-ovoid to lanceoloid or linearoblong; fertile scales lanceolate, keeled, 1.2–2.2 mm, glabrous, midrib excurrent as mucro. Flowers: stamens 1; anthers oblong, 1 mm. Achenes trigonous, obovoid, 0.5–0.6 mm, angles often sharp, faces flat or slightly concave, finely reticulate; tubercle a small button. 2n = 10.
Phenology: Fruiting summer–fall.
Habitat: Moist to dry sands and sandy peats, weedy in open disturbed sandy sites
Elevation: 0–500 m
Distribution
Ala., Fla., Ga., La., Miss., N.C., S.C., Tenn., Tex., West Indies (Martinique), Central America, tropical Africa (including Madagascar), tropical Asia (including Indonesia), tropical Atlantic Islands, Indian Ocean Islands, tropical Pacific Islands, tropical Australia.
Discussion
Selected References
None.