Oeceoclades zanzibarica (Summerh.) Garay & P.Taylor, Bot. Mus. Leafl. 24: 273 (1976).
Homotypic Synonyms:
Eulophidium zanzibaricum Summerh., Bull. Misc. Inform. Kew 1927: 417 (1927).
Terresttial herb 25-45 cm high with smooth fleshy white roots. Pseudobulbs cylindrical, 5-8 cm long, 1.5-2 cm wide, bearing 1 petiolate leaf. Leaf linear-lanceolate to broadly lanceolate, lamina 30-45 cm long, 2-5 cm wide, petiole 5-10 cm long, dark dull green. Inflorescence erect, paniculate, 8-40 cm long, bearing many flowers, bracts elliptic or linear. Flowers with green sepals and petals and white lip with reddish veins and two purple blotches at the base; dorsal sepal oblong-elliptic, 8-10 mm long, 3-4 mm wide; lateral sepals oblique or falcate, lanceolate, 8-10 mm long, 3-5 mm wide; petals oblong-elliptic, 7-9 mm long, 3-5 mm wide; lip 4-lobed, 8-10 mm long, 8-12 mm wide, callus of 2 parallel basal keels, spur straight, obtuse, 3-4 mm long; column erect, 2 mm long.
In dense shade in forest and bush near sea level; flowering in December.
E. Tanzaina (incl. Pemba, Zanzibar)