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