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FOC | Family List | FOC Vol. 22 | Poaceae

160. Cyrtococcum Stapf in Prain, Fl. Trop. Africa. 9: 15. 1917.

弓果黍属 gong guo shu shu

Authors: Shou-liang Chen & Sylvia M. Phillips

Annual or perennial. Culms decumbent, rooting at the nodes, much branched and leafy. Leaf blades linear-lanceolate to narrowly ovate; ligule membranous. Inflorescence an open or contracted panicle. Spikelets asymmetrical, obovate, laterally compressed, florets 2, lower floret sterile, upper floret bisexual; glumes both shorter than spikelet, unequal, membranous to herbaceous, 3–5-veined; lower glume smaller, ovate, clasping, subacute; upper glume boat-shaped, obtuse; lower lemma usually equal to spikelet, 5-veined, nearly straight on the back, its palea small or absent; upper lemma laterally compressed, gibbously semiorbicular, subcoriaceous to crustaceous, smooth or minutely pitted, a little greenish crest near the apex which swells at maturity, upper palea dorsally slightly convex. x = 9.

Eleven species: Old World tropics, in shady places; two species in China.

This genus is a segregate from Panicum distinguished by its laterally compressed, gibbous spikelets with short glumes and a crested upper lemma.

1 Pedicels mostly shorter than the spikelet, stout; panicle contracted; spikelets reddish brown.   1 C. oxyphyllum
+ Pedicels much longer than the spikelet, filiform; panicle open, often diffuse; spikelets purplish.   2 C. patens

Lower Taxa


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