Epiphytic herbs 5-12 cm. tall. Leaves approximate, linear-lanceolate to ob-long-lanceolate, acute, the blades 3.5-12 cm. long and 0.5-1.5 cm. wide, the mid-vein forming a keel on the under-surface, the sheathing bases sometimes enveloping a minute pseudobulb. Inflorescences 1-3 slender, erect or arching, simple or paniculate scapes 15-60 cm. long, produced from the lateral or subterminal leaf axils, provided with a few distant, inconspicuous sheaths. Flowers few to many, small to relatively large and conspicuous, lavender, rose-purple, or white, super-ficially resembling those of some species of Utricularia. Sepals subequal, not spreading, oblong-lanceolate to elliptic-lanceolate, acute, 3-6 mm. long and 1-2 mm. wide, the dorsal sepal free, concave, the laterals connate at the base and pro-duced into a short, broad, obtuse sac. Petals subequal to the dorsal sepal, elliptic-ovate, acute, or obtuse and shortly apiculate, 2.5-5 mm. long and 1.5-3 mm. wide. Lip about twice as long as the sepals, 5-12 mm. long and 5-12 mm. wide, the apex broadly spreading, deeply emarginate and 2-lobed, contracted at the base into a fleshy, biauriculate claw which is adnate to the base of the column, the apex of the claw with 2 suborbicular, flattened calli. Column short, rather stout, with-out wings, about 2 mm. long, the base without a foot.
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Plants to 15 cm (excluding inflorescence). Leaves often suffused with purple-brown; blade 3–13 cm × 6–18 mm. Inflorescences 1–3, erect-arching, to 20 cm; bracts 2–3 mm. Flowers pale pink to rose, pink-lavender, or white with pink flush, with darker rose-colored veins; sepals 3–7 × 1–2 mm; lateral sepals forming asymmetrically pouched cavity; petals 5–7 × 3–4 mm; lip pink-lavender with yellow patch near callus, 6–17 × 6–18 mm; callus of 2 lamellae and 2 lateral teeth, with short, basal, nectar horn, enclosed by nectar spur formed by lateral sepals.
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