Epiphytic herbs. Pseudobulbs often long, cylindric, tapering. Leaves plicate, deciduous, the persistent imbricating bases unarmed. Inflorescences long arching racemes produced from near the base of the pseudobulbs. Sepals subequal, spreading, linear-lanceolate, acuminate, 3.5-5 cm. long and .6-.8 cm. wide. Petals subequal to the sepals, lanceolate, acuminate, 3.2-4.5 cm. long and .7-1.0 cm. wide. Lip elliptic-ovate to rhombic-ovate, acute or acuminate, 3.2-5 cm. long and 1.6-2.5 cm. wide when spread out, the lateral margins often strongly recurved, dried specimens fre-quently giving the impression of being linear-lanceolate; base shortly clawed. Column 1.5-1.7 cm. long, twisted to one side, typical of the genus.
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