Small, caespitose or repent, epiphytic herbs up to about 25 cm. long., Stems slender, leafy, simple or usually much branched, covered with the verrucose or rugose amplexicaul-leaf-sheaths. Leaves 1-4.5 cm. long and 0.3-0.5 cm. broad, ligulate, obtuse, the apex retuse and unequally bilobed. Inflorescence short, a sin-gle flower, or usually a few-flowered flexuose raceme exceeded by the subtending leaves; bracts up to about 5 mm. long, chartaceous, cucullate, oblong to ovate. Flowers small, inconspicuous, greenish-yellow to white. Dorsal sepal 3-3.5 mm. long and 1.5-2 mm. broad, oblong to oval, obtuse or acute. Lateral sepals 3-3.5 mm. long and 2.2-3 mm. broad, oblong-ovate to suborbicular, slightly oblique, acute or obtuse. Petals 3-3.2 mm. long and 0.7-0.8 mm. broad, linear-oblong to oblanceolate, acute or obtuse. Lip unguiculate; claw adnate to the lower two-thirdsof the column; lamina 2-2.5 mm. long and 3-3.5. mm. broad, transversely oval to subreniform, often-short-apiculate; disc provided with a bilobate submammillate callus near the middle, the lobes sometimes somewhat separated.
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