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19. Congea Roxburgh, Pl. Coromandel. 3: 90. 1820.
绒苞藤属 rong bao teng shu
Shrubs, climbing. Branchlets subterete, tomentose with stellate and/or simple hairs. Leaves opposite. Cymes capitate, 3-9-flowered, arranged in panicles, pedunculate; involucral bracts 4 or by fusion reduced to 3 with third bract deeply emarginate. Calyx funnelform or campanulate, 5-dentate, slightly enlarged in fruit. Corolla with a slender tube, outside glabrous, pubescent in throat, 2-lipped, lower lip 3-cleft, upper lip 2-cleft. Stamens 4, didynamous, inserted at corolla throat; anthers subglobose. Ovary obovate, apex glandular, imperfectly 2-locular; ovules 2 per locule. Stigma capitate or shortly 2-cleft. Fruit obovate, indehiscent.
About ten species: mainly in SE Asia, two species in China.
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Leaf blade narrowly elliptic; involucral bracts narrowly oblong, 5-8 mm wide, basally united for ca. 6 mm, grayish |
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1 Congea chinensis |
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Leaf blade elliptic, broadly elliptic, or ovate; involucral bracts oblong, obovate-oblong, or broadly elliptic, 8-12 mm wide, basally united for 1-3 mm, blue-purple |
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2 Congea tomentosa |
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Lower Taxa
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