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Cynorkis flexuosa Lindl., Gen. Sp. Orchid. Pl.: 331 (1835).
Description:
Herbs, 15-30 cm tall, tubers elongated and villous; leaf solitary, elongated (rarely 2) and lingulate linear, Scape with 1-2 sheaths, glabrous; inflorescence loose, rachis often elongated and flexouse; bracts generally equaling half the length of the pedicel; flowers with the sepals and petals green and the labellum brilliant yellow with a spot of purple basally. Sepals (8-9 mm) oval-lanceolate, obtuse, the median shorter. Petals narrower. Labellum (18 mm long generally) 4 lobed or trilobed with the median deeply bifid; lateral lobes obovate and truncate apically; median compressed basally, lobules narrower than the lateral lobes, subsquare and emarginate apically; spur yellow, 16-18 mm long. Anther obtuse, 1.5 mm tall, cauda 4 mm long; viscidiums glabulous and small; staminodes nearly entirely joined. Rostellum 5 mm long totally, arena 2.5 mm long and the median lobe slightly shorter, attenuate from the base toward the wide apex, obtuse and entire. Stigmas inclusive. free apically, very thick on the front edge. Pedicel glabrous.
Habitat:
On rocks in dry prairies, from 0-1600 m. alt.
Phenology:
Flowering in October-April.
Cultivation:
As given for the genus, hot to cool growing lithophytic.
Distribution:
Madagascar
References:
Flora of Madagascar: vascular plants: 49th family, Orchids / by H. Perrier de La Bathie; published under the auspices of the government of Madagascar and under the direction of H. Humbert; English revision and translation by Steven D. Beckman; Genera Orchidacearum Vol 2 Part One Pridgeon, Cribb, Chase and Rasmussen 2001; Orchids of Madagascar Hermans 2007; Field Guide to the Orchids of Madagascar Cribb & Herman 2009
Images:
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Habitat/In situ	Habitat/In situ	Habitat/In situ	Habitat/In situ
Photograph© Etienne Vennetier Image used with kind permission.	Photograph© Etienne Vennetier Image used with kind permission.	Photograph© Etienne Vennetier Image used with kind permission.	Photograph© Etienne Vennetier Image used with kind permission.