Aristida L.

Lemma with 3 awns or awn 3-branched Aristida
Awn with a twisted column 10–15 mm long below the 3 branches; awn branches unequal, 15–30 mm long. Lemma convolute, without a longitudinal groove; callus at base of lemma hairy. Tufted perennial up to 80 cm high. Widespread on sandy soils and rocky ridges. Fl. summer Aristida warburgii