Benthamia procera Schltr., Beih. Bot. Centralbl. 34(1): 301 (1916).
Description:

Plants terrestrial, nearly 50 cm, tall; stem with 4-5 linear or lanceolate-linear leaves (nearly 18 x 1 cm), acute, the superiors slightly longer than the bracts. Inflorescence dense, many flowered, slightly unilateral, elongated (nearly 20 cm), bracts lanceolate-linear-acute, the inferiors ordinarily longer than the flowers; flowers small (3 mm without the pedicel), yellowish, Sepals oblong-lingulate (2.5 x 0.6 mm), obtuse, the laterals slightly narrower than the median. Petals oval-lanceolate (2.5 x 1.3 mm), obtuse, joined basally with the lateral sepals and labellum. Labellum oblong-lingulate (3 x 1.8 mm), trilobed in its apical third, median lobe thick, longer than the laterals which are fiat and obtuse; spur wider apically than long (0.8 x 1.2 mm), saccate, furrowed medially, apically. Anther provided apically with a large apicule; staminodes oblong, equal to the anther in length. Pedicel 4 mm long.
Habitat:

In cool, shady spots in forests, from 400-800 m alt., flowering November-December.
Distribution:

NE. Madagascar