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FOC | Family List | FOC Vol. 23 | Cyperaceae | Fimbristylis

38. Fimbristylis gracilenta Hance, J. Bot. 6: 89. 1868.

纤细飘拂草 xian xi piao fu cao

Annuals. Culms tufted, 3-25 cm tall, slender, flatly 3-angled, striate, glabrous, with few leaves at base. Leaves shorter than culm; sheath brown, densely pubescent; leaf blade ca. 1 mm wide, flat, both surfaces sparsely pubescent, margin sometimes slightly involute. Involucral bracts 5 or 6, needlelike, shorter than inflorescence, pubescent. Inflorescence a simple or occasionally compound anthela; rays 5-8, to 5 cm, slender, densely pubescent. Spikelet solitary, oblong, narrowly ovoid, or narrowly linear-ovoid, 4-12 × 1.5-2 mm, with several to 10 or more flowers. Glumes spirally imbricate, pale brown, ovate-lanceolate, ca. 2 mm, membranous, 3-veined forming an abaxial keel, midvein excurrent into a mucro. Stamens 2; anthers dark red, linear-oblong. Style long and compressed, basally inflated, apically ciliate; stigmas 2, short, with papillae. Nutlet brown, shortly stipitate, obovoid, ca. 1 mm, biconvex, almost smooth with indistinct hexagonal reticulation. Fl. Jun-Jul.

Open places. Guangdong [Indonesia (N Sumatra), Thailand, Vietnam].


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