Triceratorhynchus viridiflorus Summerh., Bot. Mus. Leafl. 14: 234 (1951).
Heterotypic Synonyms:
Angraecum evrardianum Geerinck, Belgian J. Bot. 126: 254 (1993 publ. 1994).
Plants miniature, with numerous elongated roots and with a very short stem less than 1 cm long. Leaves suberect or spreading, linear, falcate, obscurely lobed at the apex, 1-5 cm long, 1-3 mm wide. Inflorescences arching or horizontal, longer than the leaves, to 6 cm long, up to 9-flowered; peduncle wiry, up to 2 cm long; bracts short, broadly ovate, acute; pedicel with ovary 4-5 mm long. Flowers green or yellowish green; dorsal sepal linear-lanceolate, acute, 4-5 mm long, 1 mm wide; lateral sepals obliquely linear-lanceolate, falcate, acute, 5-6 mm long, 1 mm wide; petals lanceolate, acuminate, 4-5 mm long, 1 mm wide; lip concave, obscurely 3-lobed, ovate-lanceolate, acuminate, 4— 5 mm long, 3.5 mm wide, fleshy towards the apex; spur curving up above the ovary, slender, tapering, 5-8 mm long.
Epiphyte on twigs and branches in the warmer forests; 1500-1600 m; flowering in June.
Rwanda, Burundi, SW. Uganda, SW. Kenya

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Botanical Drawing / Herbarium
triceratorhynchus viridiflorus
Photograph copyright Swiss Orchid Foundation at the Herbarium Jany Renz Image used with kind permission.