Cynorkis boinana Schltr., Ann. Inst. Bot.-Géol. Colon. Marseille, III, 1: 150 (1913).
Description:
Herbs,30-45 cm tall, roots fusiform and villous; tubers 2, elongated. Scape sheathed basally by 2-3 sheaths and a solitary leaf, embracing, lingulate (8-14 x 2-2.8 cm and more), acute and glabrous, bearing above a sheath with a lanceolate limbus; inflorescence loosely 3-l0 flowered; flowers purplish or violet-rose, of average size (2.5 cm generally, including the pedicel); bracts much shorter than the pedicel. Sepals oval-obtuse, glabrous, 7-8 mm long. Petals (7-8 mm long), oblong, sub truncate and very obtuse, compressed basally. Labellum (1.3-1.7 x 1.3-1.7 cm) widely compressed basally, trilobed above; lateral lobes diverging, oblong obtuse, median lobe longer, compressed wide basally, enlarged (9 mm) and subretuse with a median apicule apically; spar short (5-6 mm), dilate-saccate apically (3 mm wide). Anther (1.5 mm) obtuse; cauda 3mm. long; staminodes slightly visible, pollina green, subglobulous, viscidiums white, cylindrical obtuse 0.4 mm. Rostellum 3.2 mm long totally, arms 1.2 mm long, median lobe thick, ascending, 0.7 mm long. Stigmas inclusive, attenuate toward the apex. Pedicel Sprinkled with several sessile glands, 17 mm long generally.
Habitat:
In rocky woods or lime formations, not near the sea; flowering in January-February very common.
Distribution:
N. & NW. Madagascar
