9. Actinoscirpus (Ohwi) R. W. Haines & Lye, Bot. Not. 124: 481. 1971.
大藨草属 da biao cao shu
Authors: Prof. Song-Yun Liang, David A. Simpson & Gordon C. Tucker
Scirpus sect. Actinoscirpus Ohwi, Mem. Coll. Sci. Kyoto Imp. Univ., Ser. B, Biol. 18: 98. 1943.
Herbs, perennial, robust. Rhizomes long creeping, slender, apex with a small tuber. Culms ± tall, inconspicuously septate. Leaves ligulate; leaf blade linear. Involucral bracts leaflike, exceeding inflorescence. Inflorescence a large terminal anthela, with many spikelets. Spikelets small. Glumes spirally imbricate, each subtending a bisexual flower, deciduous. Perianth bristles 5 or 6, mostly longer than nutlet, retrorsely scabrous, deciduous with nutlet. Stamens 3. Style base not distinct, not thickened, persistent; stigmas 3. Nutlet obovoid to subellipsoid, compressed 3-sided, smooth, apex beaked.
One species: E and S Asia, NE Australia, Pacific islands.