e-Flora of Thailand
Volume 6 > Part 4 > Year 1998 > Page 308 > Cyperaceae > Fimbristylis
19. Fimbristylis ovata (Burm.f.) J.Kernwfo-0000422398
Blumea 15: 126. 1967; in Fl. Males., Ser. 1, Spermat. 7: 565. 1974; T.Koyama, Bot. Mag. Tokyo 87: 305. 1974; Hô, Câyco Viêtnam III. 2: 649. 1993.— Carex ovata Burm.f., Fl. Ind. 194. 1768.
Accepted Name : This is currently accepted.
Synonyms & Citations :
Description : Rhizomatous perennial. Culms 1-few, 6–40 cm by 0.3–0.8 mm, trigonous, smooth below, spinulose-scabrous above. Leaves basal; blade narrowly linear, up to 30 cm by 0.5–1.2 mm, flattish with weakly incurved margins or weakly inrolled; sheath 1–6 cm long, dorsally pale green to pale brown, ventrally whitish-hyaline; ligule 0. Involucral bracts 2–3, glume-like or with setaceous blade 0.5–1 cm long. Inflorescence of 1(–3) spikelets, upper one with a 1–2 cm long peduncle. Spikelets ovate, ovate-lanceolate, somewhat flattened, 8–15 by 3–7 mm. Glumes 8–20 per spikelet, 2-ranked below, spirally arranged above, ovate to broadly ovate, 3–6 by 2–4 mm, acute, mucronate, sides chartaceous, whitish to pale yellowish, weakly shiny, keel acute, slightly incurved, 3-nerved, greenish. Stamens 3; anthers 2 mm long. Stigmas 3. Nutlets broadly obovoid, trigonous, 2–2.5 by 1.3–1.5 mm, white or cream, ± densely verruculose.
Thailand : Common throughout the country.
Distribution : Pantropical (Java – type), with range extending north in Asia to central Japan.
Ecology : Dry or wet open grasslands, open forests, coastal rock outcrops, 0–400 m alt.
Vernacular : Ya kuk muu (หญ้ากุกหมู)(Northern).
Notes: A common species which is characterised by its single, rarely up to three, spikelets which are whitish to pale yellowish.