22a. Schoenoplectus supinus subsp. lateriflorus (J. F. Gmelin) Soják, Cas. Nár. Muz. Praze, Rada Prír. 141: 62. 1972.
稻田仰卧秆水葱 dao tian yang wo gan shui cong
Scirpus lateriflorus J. F. Gmelin, Syst. Nat. 1: 127. 1791; Isolepis oryzetorum Steudel; Schoenoplectus lateriflorus (J. F. Gmelin) Lye; Scirpus erectogracilis Hayata; S. oryzetorum (Steudel) Ohwi; S. supinus var. lateriflorus (J. F. Gmelin) T. Koyama.
Culms 7-30 cm tall, 3-angled. Basal leaf sheaths with a blade. Nutlet sides obscurely transversely wrinkled. Fl. and fr. Nov-Jan.
Wet places, paddy fields; ca. 1000 m. Anhui, Guangdong, Guangxi, S Jiangsu, Taiwan, Yunnan [Afghanistan, India, Indonesia, Malaysia, Myanmar, Nepal, Pakistan, Philippines, Sri Lanka, Thailand, Vietnam; Africa, N Australia, Madagascar].
