e-Flora of Thailand
Volume 6 > Part 4 > Year 1998 > Page 366 > Cyperaceae > Cyperus
25. Cyperus laxus Lam.
Ill. Gen. 1: 146. 1791; J. J.Raynal, Adansonia 2, 17(3): 277. 1978.
Accepted Name : This is currently accepted.
Synonyms & Citations :
Cyperus diffusus Vahl, En. Pl. 2: 321. 1805; C.B.Clarke in Hook.f., Fl. Br. Ind. 6: 603. 1893; Camus, Fl. Gén. I.-C. 7: 54. 1912; Ridl., Fl. Malay Penins. 5: 142. 1925; Kük. in Engl., Pflanzenr. 4(20), 101 Heft: 208. 1936; J.Kern, Reinwardtia 6: 56. 1961; in Fl. Males., Ser. 1, Spermat. 7: 619. 1974; Raymond, Dansk Bot. Ark. 23: 348. 1966; T.Koyama, Gard. Bull. Singapore 30: 139. 1977; Hô, Câyco Viêtnam III. 2: 682. 1993.
Cyperus kurzii Camus in Fl. Gén. I.-C. 7: 54. 1912, non C.B.Clarke.
Key to the varieties
Glumes 1.5 mm or more long, awn 0.2 mm or more long var. laxus
Glumes up to 1.5 mm long, awn up to 0.2 mm long var. macrostachyus
Glumes 1.5 mm or more long, awn 0.2 mm or more long var. laxus
Glumes up to 1.5 mm long, awn up to 0.2 mm long var. macrostachyus