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FOC | Family List | FOC Vol. 23 | Cyperaceae

69. CAREX sect. GLAREOSAE G. Don in Loudon, Hort. Brit. 376. 1830.

白山薹草组 bai shan tai cao zu

Rhizome short or rarely creeping. Culms loosely to densely caespitose. Involucral bracts glumelike. Spikes numerous, gynaecandrous or lateral spikes sometimes female, ovate or subglobose, densely flowered; inflorescence interrupted or capitate. Utricles ovate, plano-convex, thinly leathery or membranous, papillose or minutely tuberculate, many veined, usually with a short beak, orifice entire or scarcely emarginate, sometimes deeply cleft adaxially.

About 23 species: temperate zone of Asia, Australia, Europe, New Guinea, North and South America, Pacific islands (New Zealand); four species in China.

1 Female glumes brown; utricles deeply cleft adaxially at orifice.   524 C. lachenalii
+ Female glumes pale or pale yellow; utricles emarginate at orifice   (2)
2 (1) Utricles with a slightly cuneate-emarginate scabrous short beak.   525 C. canescens
+ Utricles beakless   (3)
3 (2) Utricles with prominent veins, shortly stipitate; spikes distant.   526 C. loliacea
+ Utricles with obscure veins, estipitate; spikes congested in ovoid or suborbicular head.   527 C. tenuiflora

Lower Taxa


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