Dichanthium

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1980, Flora Europaea. Volume 5. Alismataceae to Orchidaceae (Monocotyledones), Cambridge: Cambridge University Press : 266

148. Dichanthium W illemet1

Annuals or perennials. Inflorescence of 1-many fragile racemes bearing paired, dissimilar spikelets, one sessile, the other pedicellate. Sessile spikelets with 2 florets, compressed dorsally; lower floret reduced to a hyaline lemma; upper floret hermaphrodite, with entire lemma passing into a glabrous, geniculate awn. Pedicellate spikelets male or sterile, unawned. Lower glume of sessile spikelet with a deep circular pit

1. insculptum Lower glume of sessile spikelet without a pit 2. ischaemum