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FOC | Family List | FOC Vol. 9 | Rosaceae

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

Coluria longifolia

Credit: Harvard University Herbaria

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.

1 Radical leaf blades lyrately pinnate.   (2)
+ Radical leaf blades pinnate, but not lyrately so.   (3)
2 (1) Carpels and achenes markedly papillate.   1 C. henryi
+ Carpels and achenes rigidly hairy.   2 C. omeiensis
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.   3 C. longifolia
+ 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.   4 C. oligocarpa

Lower Taxa


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