Aristida sieberiana. 1- habit; 2- lemma; from van der Zon, Graminées du Cameroun.
Aristida sieberiana. a- base; b- ligule; c- inflorescence; d- spikelet; e, f- glumes; g- callus; h- floret; h, i- lemma; from Poilecot, Poacées de Niger.