Panicum griffonii Franch.

Slender annual; culms branched, 20–45(–80) cm. high.. Leaf-blades linear, 10–22 cm. long, 2–6 mm. wide, tapering at the base, flat, pilose or pubescent, acuminate.. Panicle narrowly ovate to oblong, 10–20 cm. long, modestly branched with pilose, flexuous, often spreading branches.. Spikelets ovate, 2–3 mm. long, pilose with tubercle-based hairs, rarely glabrous; lower glume ovate, 2/3–3/4 the length of the spikelet, 5-nerved, acuminate; upper glume ovate, 5–7-nerved, acuminate; lower lemma 5-nerved, ♂, its palea well developed; upper lemma pale and glossy.

Shallow soil on rock outcrops and inselbergs.