Oeceoclades angustifolia (Senghas) Garay & P.Taylor, Bot. Mus. Leafl. 24: 258 (1976).
Eulophidium angustifolium Senghas, Adansonia, n.s., 6: 557 (1966).
Eulophidium angustifolium subsp. diphyllum Senghas, Adansonia, n.s., 6: 561 (1967).
Terrestrial with clustered, ovoid to pear-shaped pseudobulbs carrying a single (rarely 2) apical, more or less erect, linear, acute, coriaceous, dull green mottled purple, paler beneath, variegated apically, shortly petiolate base leaves and blooms in the spring and fall on an erect, racemose to few branched, to 30 cm long, 5 to 15 flowered inflorescence with adpressed, narrowly triangular, acuminate floral bracts.
In moss filled cracks in between calcaraceous boulders.
From the related 0. Decaryana, the plants of this species are distinguished in having petiolate leaves as well as differently proportioned lips.
N. & SW. Madagascar
Flora of Madagascar: vascular plants: 49th family, Orchids / by H. Perrier de La Bathie; published under the auspices of the government of Madagascar and under the direction of H. Humbert; English revision and translation by Steven D. Beckman; Manual of Cultivated Orchids Bechtel Cribb and Launert 1992; Orchids of Madagascar Hermans, Du Puy, Cribb & Bosser 2007; Field Guide to the Orchids of Madagascar Cribb & Herman 2009; THE GENUS OECEOCLADES LINDL Leslie A. Garay and Peter Taylor Botanical Museum Leaflets, Harvard University
Vol. 24, No. 9 (June 30, 1976),
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