Tribolium pusillum (Nees) H.P.Linder & Davidse

Ascending or erect annual 80-250 mm high; stolons absent. Leaf blade 20-70 x 1-2 mm, expanded, sparsely hairy, hairs fine, tubercle-based. Inflorescence capitate, 10-15 mm long, ovate, base enclosed in an enlarged flag-leaf with a dehiscence node below, dehiscing as a unit. Spikelet 5-6 mm long; florets 2-6; glumes as long as spikelet, acuminate, awn longer than glume body, up to 5 mm long, long bristly tubercle-based hairs present; lemma 3.5-4.0 mm long, long-acuminate, awned, awn 2.5-6.5 mm long and without twisted column, back with club-shaped hairs basally; palea truncate, glabrous between and on keels, margins with long hairs; anthers 1.7 mm long.