Cynorkis perrieri Schltr., Beih. Bot. Centralbl. 34(2): 310 (1916).
Homotypic Synonyms:

Bicornella perrieri (Schltr.) Szlach. & Kras, Richardiana 6: 145 (2006).
Description:

Small herbs 7-12 cm tall, tubers rounded and villous; leaf single, radical, elliptical-lanceolate (2.5- 4cm x 3-5 mm), acute or apiculate. Scape hispid-glandular, bearing 2-4 distant sheaths with an acuminate limbus. Inflorescence 3-7 flowered; bracts lanceolate-acuminate, bristly-glandular, shorter than the pedicel; flowers small (11-12 mm including the pedicel), white and bearing several large pedicules on the external parts. Sepals oval obtuse and 3 veined, the median (4-4.5 x 2 mm) with the veins slightly visible, the laterals slightly longer, adnate basally to the labellum. Petals elliptical, curved-sickle shaped, obtuse, with their external margin dilate medially and 2 veined. Labellum shortly unguiculate basally, trilobed in the apical third, 5.5-6 mm long, lateral lobes lingulate-oblong (2.5 x 1 mm), curved toward the median lobe, truncate-obtuse apically; median lobe (3 mm) obcordiform, compressed-narrowed basally, wider (3 mm) apically than long, obviously notched on the front margin; 5 veined basally, the median simple, the laterals branched toward the external margins; spur cylindrical, obtuse, 4.5-5 mm long. Anther 0.8 mm tall, cauda 1 mm long viscidiums hyaline, narrowly lanceolate-acute, 0.5 mm long; staminodes longer than the anther. Rostellum l mm long, frontal teeth all acute, the 2 intermediaries smaller. Stigmas small, spatulate, not more than half the length of the rostellum. Pedicel bristly-glandular, 6-7 mm, long.
Habitat:

Rocks, from 2000 m alt., flowering in February.
Distribution:

C. Madagascar