AFRICAN

ORCHIDS

Bulbophyllum boiteaui H.Perrier, Notul. Syst. (Paris) 8: 38 (1939).
Description:

Pseudobulbs depressed, orbicular (10-12 mm in diameter), monofoliate. Leaf slightly oblanceolate (62 x 6 mm), attenuate from the upper third toward both ends, in a sub obtuse angle apically and petiolate toward the base. Inflorescence to 20cm tall; peduncle rigid and filiform, 12-15 cm long, clad with 4-5 thin, narrowly appressed, 67mm long at most sheaths; rachis 4-7 cm long, very loose, unilateral, 14-22 flowered; flowers of a violet-black and large (8-9 mm long); bracts oval-obtuse, equaling the pedicel. Sepals widely elliptical, thin, 3 veined, of a violet-black, ciliolate, apiculate, 6-7cm long, the median wider (2.5 mm) than the laterals (2 mm). Petals hyaline, orbicular (l mm in diameter), longly ciliate with mossy hairs. Labellum of a violet-black, straight or slightly gutter shaped medially, 2.5 mm long, very narrow, 0.5 mm wide at most basally, or thickened in a tripod (basal insertation triangular and with 2 auricules of the same form), narrowed above, then dilate apically in a small ciliate marginally spatule. Anther provided in front with a small rounded tongue, non ciliate. Pedicel glabrous, obconnical, 2.5 mm long.
Habitat:
Notes:

This species is very close to Bulbophyllum nigriflorum, but differs by the flowers being twice as large and the labellum of a totally different form.
Distribution:

C. Madagascar