TRIPOGON Roem, S Schult.
Plants hermaphroditic, caespitose, perennial. Culms erect, glabrous; internodes hollow, terete. Leaves basal; sheaths terete,
margins open; auricles absent; ligules a ciliate membrane; blades involute (filiform), not pungent, filiform. Racemes
(exserted) with appressed pedicels; terminating in a spikelet. Spikelets solitary, laterally compressed, awned, subsessile;
pedicels without glands; florets 4-13, callus glabrous; reduced floret at apex; disarticulation above the glumes; glumes 1-veined
(second 1 or 3-veined), unequal, shorter than first floret, glabrous; lemmas 3-veined (callus glabrous), membranous,
emarginate, awned, glabrous, veins glabrous to scabrous; paleas 2-veined, awnless, ciliate. Stamens 1-3; anthers yellow.
Caryopses terete. Base chromosome number x=10.
A genus of about 30 species worldwide. Several species are adapted to soils of granitic origin.