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FOC | Family List | FOC Vol. 25 | Orchidaceae

52. Cyrtosia Blume, Bijdr. 396. 1825.

肉果兰属 rou guo lan shu

Authors: Xinqi Chen & Phillip J. Cribb

Herbs, mycotrophic. Rhizome stout, with fleshy or sometimes tuberlike roots. Stems erect, often several arising from 1 rhizome, simple or branched, yellowish brown to reddish brown, fleshy, with scales at nodes. Raceme or panicle terminal or lateral, several or many flowered; rachis shortly hairy or mealy-hairy; floral bracts persistent. Flowers not fully opening, medium-sized. Sepals and petals connivent; sepals often ± hairy abaxially. Petals glabrous; lip erect, unlobed, spurless, base connate to column, ± embracing column. Column slightly curved, stout, upper part enlarged, without a foot; anther terminal, incumbent, 2-locular; pollinia 2, granular-farinaceous, without caudicle or viscidium. Fruit fleshy, indehiscent. Seeds with stout testa, wingless or with a narrow surrounding wing.

Five species: tropical Asia to E Asia; three species in China.

1 Plants rather large, 30-170 cm tall; lateral racemes 3-7(-10) cm; tuberlike roots absent.   3 C. septentrionalis
+ Plants relatively small, 8-22 cm tall; lateral racemes very short or absent; tuberlike roots conspicuous, 5-12 mm in diam   (2)
2 (1) Inflorescence terminal; lip glabrous.   1 C. javanica
+ Inflorescence terminal and lateral, latter at least represented by a short raceme; lip with white hairs near adaxial apex.   2 C. nana

Lower Taxa


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