Lianas slender, to 2 m; glabrous except for inflorescences. Petiole 1-1.5 cm; leaf blade oblong or oblong-lanceolate, 5-10 × 2-4 cm, base rounded, apex acuminate; lateral veins 4-6 pairs. Inflorescences congested, 10-15-flowered; peduncle to 10 cm. Corolla violet, ca. 1.2 cm; tube nearly as long as lobes; lobes lanceolate. Corona lobes oblong, base with a hooklike dorsal spur. Anthers oblong, appendages broadly elliptic, longer than corona lobes; pollinia oblong. Ovaries glabrous. Stigma head short conical. Follicles lanceolate in outline. Fl. Feb-Mar.
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