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

11. Pycreus pseudolatespicatus L. K. Dai in Tang & F. T. Wang, Fl. Reipubl. Popularis Sin. 11: 233. 1961.

似宽穗扁莎 si kuan sui bian suo

Annuals. Culms 3-15 cm tall, 3-angled, smooth, base with leaves. Leaves shorter to longer than culm; sheath reddish brown, short, usually split; leaf blade 1-3 mm wide, flat, margin laxly denticulate. Involucral bracts 3 or 4, spreading, leaflike, longer than inflorescence. Inflorescence a simple anthela; rays 3-5, mostly to 2.5 cm, each with 3-8 spikelets arranged into a short spike. Spikelets congregated near apex of ray, oblong-ovoid to subovoid, 6-10 × ca. 2.5 mm, radially spreading, 8-14-flowered; rachilla substrict, wingless. Glumes straw-colored to yellowish brown, slightly laxly imbricate, ovate, ca. 3 mm, concave, slightly thick, 3-veined, apex obtuse and muticous. Stamens 2; anthers broadly linear; connective slightly prominent beyond anthers. Style long; stigmas 2. Nutlet brownish, obovoid, ca. 1/3 as long as subtending glume, slightly turgid, conspicuously and transversely undulately striate. Fl. and fr. Aug-Sep.

● Paddy field margins; 1500-2100 m. Guizhou, Sichuan.


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