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FOC | Family List | FOC Vol. 23 | Carex

306. Carex manca Boott ex Bentham, Fl. Hongk. 402. 1861.

弯柄薹草 wan bing tai cao

Rhizome thick and short, woody. Culms lateral, 30-70 cm tall, trigonous, slender, smooth, clothed at base with bladeless sheaths. Leaves longer than culm, rarely shorter, blades broadly linear, 2-10 mm wide, flat, leathery, base plicate, upper margins scabrous, apex acuminate. Involucral bracts shortly bladed, long sheathing. Spikes 2 or 3, distant; terminal spike male, linear-cylindric, (1-)4-5 cm, with peduncles ca. 5 cm; lateral spikes female, oblong-cylindric, 2-3 cm, slightly densely flowered, with short peduncles. Female glumes stramineous, oblong-lanceolate or ovate-lanceolate, green 3-veined costa excurrent into a mucro. Utricles yellow-green, longer than glume, obliquely patent, rhomboid-elliptic, trigonous, 6-8 mm, subleathery, sparsely pubescent, slender, many veined, base shortly stipitate, apex abruptly contracted into a smooth long beak, orifice 2-toothed. Nutlets yellow-brown, tightly enveloped, ovate, ca. 2.5 mm, trigonous with angles constricted at middle, faces concave at base, base curved stipitate, apex abruptly contracted into a cylindric curved beak; style base thickened; stigmas 3.

● Anhui, Guangdong, Hubei, Taiwan.

1 Leaf blades shorter than culm.   306d subsp. wichurae
+ Leaf blades longer than culm   (2)
2 (1) Leaf blades 2-3 mm wide; nutlets trigonous, sometimes with 1 angle constricted at middle.   306b subsp. jiuhuaensis
+ Leaf blades 3-8 mm wide   (3)
3 (2) Nutlets with apical beak curved.   306a subsp. manca
+ Nutlets with apical beak short and erect.   306c subsp. takasagoana

Lower Taxa


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