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

1. Trichophorum mattfeldianum (Kükenthal) S. Yun Liang, Higher Pl. China. 12: 270. 2009.

三棱针蔺 san leng zhen lin

Scirpus mattfeldianus Kükenthal, Repert. Spec. Nov. Regni Veg. 27: 108. 1929.

Roots slender, fibrous. Rhizomes short, woody. Culms densely tufted, 20-100 cm tall, 3-angled, rigid, smooth, clothed at base with 4-6 pale brown leaf sheaths. Apical leaves with mouth obliquely truncate; leaf blade pale green, setaceous or reduced to a mucro, 3-12 mm but apical one to 20 cm, margin scabrous. Involucral bracts lanceolate to oblong-ovate, glumelike, apex mucronate. Inflorescences consisting of 2-4 cincinni or reduced to a single terminal spikelet. Spikelets ellipsoid to oblong, 6-7 × 2-3 mm, several flowered. Glumes reddish brown to brown, laxly arranged, oblong-ovate, 3-4 mm, membranous, apex acute with a costa excurrent into a short mucro. Perianth bristles 6, longer than nutlet, apically sparsely antrorsely scabrous. Stamens 6; anthers linear, ca. 2 mm. Style slender; stigmas 3. Nutlet brown, oblong to oblong-obovoid, ca. 1.8 mm, 3-sided. Fl. and fr. Apr-May.

Wet places at forest margins; ca. 900 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Henan, Hubei, Shanxi, Zhejiang [Vietnam].


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