Caespitose epiphytic herbs up to 60 cm. tall. Pseudobulbs 1.5-7 cm. long and 1.5-4 cm. broad, oval to orbicular, ancipitous, 1-, rarely 2-, leaved. Leaves 4-20 cm. long and 2-4.5 cm. broad, elliptic, elliptic-lanceolate to ovate, obtuse, cori-.aceous. Inflorescence a long-pedunculate, few-to several-flowered raceme, termi-nal or rarely appearing laterally on undeveloped bulbs; bracts up to 1 cm. long, chartaceous, cucullate; flowers small to fairly large, white, or white with the base of the lip lavender to pink, or lavender throughout. Sepals 2-4.5 cm. long and 0.2-0.7 cm. broad, linear-lanceolate to elliptic, obtuse or acutish. Petals 2-4.5 cm. long and 0.3-1.5 cm. broad, elliptic or lanceolate, obtuse or acute. Lip 1.5-3.5 cm. long and up to-1.5 cm. broad, shorter than the sepals and petals, 3-lobed, provided with several inconspicuous longitudinal ridges; lateral lobes short, rounded and obtuse, enfolding the column; terminal lobe oblong-oval, blunt or retuse.