Description from Flora of China
Moorea Lemaire, nom. rej.
Perennial, tussock-forming, gynodioecious (bisexual and female plants). Culms often tall. Leaf blades mainly basal, linear, flat or convolute; ligule a line of hairs. Inflorescence a large plumose panicle. Spikelets laterally compressed, with 2 to several florets, disarticulating above glumes and between florets; rachilla villous; glumes longer than lowest lemma, sometimes as long as spikelet, narrow, membranous, 1-veined; floret callus linear, hairy; lemmas lanceolate to ovate, hyaline, 3–7-veined, villous on back, entire or 2-dentate, awnless or with a terminal awn; palea glabrous or sometimes pilose; female plants with sterile anthers present. Lodicules hairy.
Twenty-seven species: mainly South America, also New Zealand and New Guinea; one species (introduced) in China.
(Authors: Chen Shouliang (陈守良); Sylvia M. Phillips)