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FOC | Family List | FOC Vol. 23 | Cyperaceae

15. Carex sect. Hirtae Tuckerman ex Kükenthal in Engler, Pflanzenr. 38(IV. 20): 742. 1909.

糙果薹草组 cao guo tai cao zu

Authors: Lun-Kai Dai & Tetsuo Koyama

Rhizome sometimes stoloniferous. Involucral bracts leaflike or lowest leaflike and upper setiform. Spikes unisexual and bisexual, upper spikes rather congregated, sessile, lowest spike rather remote, ± pedunculate; male spikes usually 2-6; female spikes 2-7, densely many flowered, sometimes with male flowers at upper part. Female glumes mucronate or aristate at apex. Utricles membranous, white hispidulous, with short beak, orifice emarginate. Style base not thickened; stigmas 3.

About 30 species: circumboreal in Asia, Europe, and North America, also in S Asia; three species (one endemic) in China.

Some authors (e.g., Reznicek & Catling, Fl. N. Amer. 23: 491. 2002) include Carex sect. Hirtae in C. sect. Paludosae.

1 Rhizome short and thick; male spike 1, terminal, lateral spike female or sometimes with few male flowers at top; utricles broadly obovate or obovate, 2-2.5 mm, shortly 2-toothed at beak orifice.   78 C. inanis
+ Rhizome with slender stolons; male spikes 1-4, inserted at top, remaining spikes bisexual and unisexual, androgynous and male or androgynous and female; utricles 2.5-3 mm, truncate and slightly emarginate at apex   (2)
2 (1) Spikes slightly laxly many flowered, male spikes 1-4, inserted at top, remaining spikes androgynous (female in var. schlagintweitiana); female glumes ovate, ca. 3 mm, mucronate at apex; utricles obovate, laxly hispidulous; nutlets obovate, ca. 1 mm.   79 C. setigera
+ Spikes rather densely many flowered, male spikes 2 or 3, sometimes with few female flowers at base, remaining spikes female, rarely androgynous; female glumes lanceolate, 6-8 mm, aristate at apex, arista 2-4 mm; utricles elliptic or broadly elliptic, densely white hispidulous; nutlets orbicular-ovate or orbicular, ca. 2 mm.   80 C. lancisquamata

Lower Taxa


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