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FOC | Family List | FOC Vol. 23 | Cyperaceae

50. Carex sect. Rhizopodae Ohwi, Mem. Coll. Sci. Kyoto Imp. Univ., Ser. B, Biol. 11: 443. 1936.

根足薹草组 gen zu tai cao zu

Authors: Yancheng Tang, Shuren Zhang, Tetsuo Koyama & Gordon C. Tucker

Inflorescence 1-spiked, terminal, androgynous, long cylindric, sparsely or rather densely flowered, bractless. Utricles green, herbaceous, trigonous, glabrous, many veined, apex attenuate or abruptly contracted into a rather long beak, orifice subentire or acutely 2-toothed.

Three species: China, Japan; three species (two endemic) in China.

1 Utricles abruptly contracted above to a subcylindric beak 2-3 mm, acutely 2-toothed at orifice.   475 C. rhizopoda
+ Utricles attenuate above to a beak 1-1.5 mm, emarginate at orifice   (2)
2 (1) Utricles compressed trigonous, obovoid, apex abruptly constricted into a beak; nutlet stipitate, broadly obovoid, trigonous or quadrangular, lateral surface excavated.   477 C. yunyiana
+ Utricles trigonous, lanceolate, apex gradually constricted into a beak; nutlet estipitate, ellipsoid, trigonous, lateral surface not excavated.   476 C. densicaespitosa

Lower Taxa


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