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FOC | Family List | FOC Vol. 23 | Carex

10. Carex indica Linnaeus, Mant. Pl. Alt. 574. 1771.

印度薹草 yin du tai cao

Rhizome thick, tufted, woody. Culms 40-100 × 0.2-0.25 cm, trigonous, smooth. Leaves basal and cauline, longer than culms, flat, 6-8 mm wide, scabrid; persistent sheaths dark brown, fibriform. Involucral bracts leafy, longer than inflorescence, long sheathed. Panicle compound, 20-30 cm, 5- or 6-branched; inflorescence branches single, ovate-oblong, 4-5 × 2.3-2.5 cm; peduncles of inflorescence branches tenuous, trigonous, lowest one 7-8 cm, upper ones gradually shorter, hairy on edges; inflorescence axes trigonous, hairy; bractlets glumelike, ca. 1.5 mm, emarginate, with awns 4-6 mm. Spikes numerous, bisexual, androgynous, arising from cladoprophylls, 6-10 mm; male part of spike longer than or as long as female part; female part 2-8-flowered; male glumes pale yellow at middle, pale brown laterally, lanceolate, 5-7 mm, membranous, with 1 midrib, with awns 2-3 mm; female glumes pale yellowish brown or yellowish white at middle, pale brown laterally, ovate or oblong, 2-2.5 mm, papery, 3-veined, margins broadly hyaline, apex acute or emarginate, with awns ca. 3 mm. Utricles pale brown, patent, ovate or elliptic, trigonous, slightly inflated, ca. 3.5 mm, papery, many veined, loosely pubescent, subsessile, apex elongate into beak of medium length, beak slightly shorter than utricle body, hairy laterally, orifice obliquely truncate. Nutlets brown at maturity, oblong, trigonous, ca. 2 mm; style base prominently thickened; stigmas 3.

Slopes; 800-900 m. Guangxi, Guizhou [Bangladesh, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Papua New Guinea, Philippines, Sri Lanka, Thailand, Vietnam; Australia, Pacific islands].


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