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

21. Schoenoplectus schoofii (Beetle) Soják, Cas. Nár. Muz. Praze, Rada Prír. 148: 194. 1980.

滇水葱 dian shui cong

Scirpus schoofii Beetle, Amer. J. Bot. 29: 654. 1942.

Culms tufted, 30-60 cm tall, 2.5-3.5 mm thick, compressed terete to terete, smooth, clothed at base with 2 or 3 bladeless pale brown leaf sheaths. Leaf sheaths 2-16 cm, mouth obliquely truncate and with a mucro. Involucral bract 1, culmlike, 8-30 cm. Inflorescence a pseudolateral head, with 8-20 spikelets. Spikelets ovoid to oblong-ovoid, 3-10 × 2-3 mm, many flowered. Glumes brownish yellowish to brown, elliptic to subobovate, ca. 3 mm, membranous, obscurely many veined, margin ciliolate, apex rounded and with a green 1-3-veined costa excurrent into a mucro. Perianth bristles very short, glabrous. Stamens 3; anthers nearly narrowly ovate, short; connective apex evident beyond anthers. Style of medium length; stigmas 3. Nutlet black at maturity, broadly obovoid, ca. 1 mm, 3-sided, densely transversely wrinkled. Fl. and fr. Aug-Sep.

● Wet places along lake margins; ca. 2300 m. Jiangsu, Yunnan.


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