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33. COLURIA R. Brown, Chlor. Melvill. 18. 1823.
无尾果属 wu wei guo shu
Li Chaoluan (Li Chao-luang); Hiroshi Ikeda, Hideaki Ohba
Herbs perennial, low, rhizomatous, softly tomentose. Leaves mostly radical; leaf blade interrupted pinnatisect; lobes obovate, margin crenate; cauline leaves sessile among connate stipules and entire or 3-fid. Inflorescence erect, few-flowered, bracteate. Hypanthium obconic, eventually elongated, 10-ribbed. Sepals 5, valvate, persistent; epicalyx segments minute. Petals 5, yellow or white, larger than sepals. Stamens numerous, in 2 or 3 series; filaments free, persistent in fruit. Disk lining hypanthium, glabrous. Carpels numerous, inserted on short receptacle; ovule ascending from base of locule; style subterminal, erect, deciduous. Achenes numerous on columnar receptacle, included in hypanthium, compressed, rugose.
Five species: China, Mongolia, Russia; four species (all endemic) in China.
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| 1 |
Radical leaf blades lyrately pinnate. |
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(2) |
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Radical leaf blades pinnate, but not lyrately so. |
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(3) |
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| 2 (1) |
Carpels and achenes markedly papillate. |
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1 C. henryi |
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Carpels and achenes rigidly hairy. |
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2 C. omeiensis |
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| 3 (1) |
Radical leaf blades regularly interrupted pinnate, leaflets in 9–20 pairs, proximal ones smaller, distal ones larger; flowers 1.5–2.5 cm in diam.; carpels numerous; carpels and achenes glabrous. |
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3 C. longifolia |
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Radical leaf blades irregularly interrupted pinnate, leaflets in 4 or 5 pairs, variously sized; flowers ca. 1 cm in diam.; carpels ca. 4; carpels and achenes markedly papillate. |
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4 C. oligocarpa |
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Lower Taxa
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