Perennial (ours). Inflorescence a panicle. Spikelets all alike, dorsally flattened, with 2 fertile flowers. Glumes persistent, subequal, obtuse, 1/3 to 2/3 length of spikelet. Lower lemma firmly cartilaginous; upper lemma remaining membranous at maturity, thinner than the lower.
Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2019). Flora of Zimbabwe: Genus page: Coelachne.