Bulbostylis ciliatifolia var. coarctata
Sida 4: 96. 1971.
Herbs, perennial (rarely annual), densely cespitose. Culms 15–40 cm. Leaves to 1/2 scape length; sheaths abaxially glabrous or ribs hirtellous; blades filiform 0.05 mm wide, glabrous or with margins and abaxial ribs hirtellous. Inflorescences in compound anthelae, open or dense; scapes narrowly linear, glabrous, less often hirtellous; longest involucral-bract mostly exceeding inflorescence. Spikelets 10+, 3–6 mm; fertile scales redbrown to pale-brown, ovate, acute, glabrous or puberulent, midrib excurrent forming short mucro. Flowers: stamens 2–3; anthers 1 mm. Achenes 1 mm. 2n = 60.
Phenology: Fruiting summer–fall.
Habitat: Mostly dry sandy places, sandhills, sandy waste areas, dry oak pine woodlands
Elevation: 0–200 m
Ala., Fla., Ga., La., Miss., N.C., S.C., Tenn., Tex., Va., West Indies (Cuba)
When Bulbostylis ciliatifolia var. coarctata and var. ciliatifolia are found together, the former is invariably found in higher, drier habitat.