10c. var. nitidum (Lam.) A.C. Wood

P. nitidum Lam.

Dichanthelium nitidum (Lam.) Mohlenbr.

Main stems with the nodes densely bearded with long, spreading to downwardly pointed hairs. Leaf sheaths glabrous or the lowermost sparsely hairy along the margins, often with pale, glandular spots. Leaf blades relatively broad, those of the leaves toward the middle of the main stem 7–12(–15) mm wide, broadest at or just above the base, glabrous or sparsely hairy along the margins near the base. Spikelets 1.8–2.5 mm long, rounded at the tip, the upper glume and sterile lemma hairy. 2n=18. May–June (vernal), July–October (autumnal).

Uncommon, known only from Carter and St. Francois Counties (southeastern U.S. west to Missouri and Texas; Mexico, Central America, Caribbean Islands). Ledges of sandstone bluffs and gravelly ground.