Volume 6 > Part 4 > Year 1998 > Page 269 > Cyperaceae > Fuirena

2. Fuirena ciliaris (L.) Roxb.wfo-0000425884

[Hort. Beng: 81. 1814] Fl. Ind. ed. Carey 1: 184. 1820; J.Kern, Reinwardtia 6: 31. 1961; in Fl. Males., Ser. 1, Spermat. 7: 519. f. 32. 1974; Raymond, Dansk Bot. Ark. 23: 318. 1966; Hô, Câyco Viêtnam III. 2: 636. 1993.— Scirpus ciliaris L., Mant. 2: 182. 1771. Fig. 6: A–E.

Accepted Name : This is currently accepted.

Synonyms & Citations :

Description : Annual. Culms tufted, 5–50 cm by 1–2 mm, ciliate-pubescent above. Cauline leaves several; blade linear, 5–15 cm by 3–8 mm, abruptly acute, margins pubescent or ciliate; sheath 1–3 cm long, pubescent. Inflorescence with 1–3 clusters of spikelets; peduncles short, ciliate-pubescent. Spikelets ovate or oblong-elliptic, 4–7 by 3 mm, subacute, squarrose, greyish green. Glumes obovate to obovate-oblong or elliptic, 1.5–1.7 by 1.25 mm, acute or obtuse, thinly membranous, shortly pubescent outside with pilose centre, awn ca 1 mm long, ciliate. Perianth segments 6; outer whorl of bristles occasionally much reduced, smooth to scabrid; inner whorl of oblong or ± square blades, 3-toothed, base long-stipitate. Anthers 0.25 mm long. Nutlets obovoid to ellipsoid, 0.8–1 by 0.5–0.6 mm, smooth to obscurely wrinkled.

Thailand : NORTHERN: Mae Hong Son (Khun Yuam), Chiang Mai (Doi Suthep, Ob Luang); NORTH-EASTERN: Sakon Nakhon (Ban Nong Hian, Phu Phan), Maha Sarakham (Nadoon), Nakhon Phanom, Khon Kaen (Ban Muang, Khao Suan Kwang); EASTERN: Surin, Buri Ram; CENTRAL: Krung Thep Maha Nakhon (Bangkok); SOUTH-EASTERN: Prachin Buri; Chon Buri (Si Racha), Rayong (Phae), Chanthaburi; PENINSULAR: Ranong (Khlong Naka), Phangnga (Ko Yao Yai), Surat Thani (Ko Samui), Phuket (Khao Pok, Kopah), Songkhla (Ton Plieo).

Distribution : Widely distributed in the Old World tropics and subtropics (India – type).

Ecology : Open, wet or swampy places including wet grasslands, river-banks, margins of ponds and rice fields, 0–1,000 m alt.