G.455. Panicum L.

Annuals or perennials. Leaves: lamina variable, from linear to ovate. Inflorescence a panicle, usually much branched, but occasionally ± contracted about the primary branches. Spikelets dorsally flattened, rarely slightly gibbous; lower glume usually shorter than (rarely equal to) the spikelet; upper glume as long as, the spikelet, often with a stipe-like internode between the glumes; lower floret male or barren; its lower lemma resembling the upper glume; upper lemma crustaceous; margin involute and clasping only the edges of the palea. A generally recognisable genus but the following could be confused with it: Brachiaria deflexa, Eriochloa meyeriana, Tricholaena monachne.

Worldwide: 500 species or more in tropical and warm temperate zones

Botswana: 29 taxa.