Nervilia subintegra Summerh., Bull. Misc. Inform. Kew 1938: 150 (1938).
Heterotypic Synonyms:
Nervilia toillieziae N.Hallé, Adansonia, n.s., 11: 455 (1971).
Erect, terrestrial herb, 5—13 cm tall, glabrous except for leaf and subterranean parts. Tuber subspherical or ovoid, 4-15 by 9-17 mm. Leaf solitary, appearing after flowering, horizontal but not prostrate, above sparsely covered with short hairs; blade star-shaped, (7—)9(—1 l)-lobed, (2.5-)4-9(-13) cm broad; veins (7—)9(—11); petiole (2-)3-9 cm long, sulcate with 1 or 2 sheathing cataphylls. Scape erect, terete, 1-flowered, with (2 or) 3 sheathing cataphylls, lengthening to 17-27 cm when fruiting. Flower small, more or less horizontal, 25-40 mm diam. Bract 1 (occasionally 2), linear, 7-15 by 0.7 mm. Sepals and petals spreading, subequal, ligulate, acute, greenish brown with reddish veins; lateral sepals 12-22 by 2-5 mm; petals slightly shorter than sepals. Lip 10-17 by 5—7 mm, very obscurely 3-lobed, mainly pink with yellow midline in proximal half, tightly clasping column; apical part with convex central ridge; sidelobes with radially running furrows and ridges. Gynostemium clavate, glabrous, pale yellow (6-)7-10 mm. Anther pale yellow, c. 2 mm, pollinia yellow. Capsule 14 mm.
Dense and humid lowland and submontane forest, forest edge, gallery forest, occasionally secondary forest and tree savanna; 300-1100 m.
W. Trop. Africa to Sudan