Stems pendulous, branched, terete, flexuous, covered by leaf sheaths, to 60 cm; sheaths ridged, overlapping, tubular, 1.5-2.3 cm. Leaves suberect, terete, grooved, acuminate, jointed, 9-25 × ca. 0.3 cm. Inflorescence leaf-opposed, 1-4-flowered; peduncle ca. 2.2 cm, sheathed; floral bracts triangular, 2-4 × 1.4-1.6 mm. Flowers 3.8-5 cm in diam., white with a purple-flushed base to lip and spur, pedicel pink; pedicel and ovary 1.5-3.3 cm. Dorsal sepal obovate-oblong, 2-3.6 × 0.8-1.5 cm, obtuse, margins undulate; lateral sepals similar, ca. 3 × 1 cm. Petals subrhombic, 2-2.5 × 1.1-1.9 cm, reticulately veined, base twisted, margins undulate, apex obtuse; lip 3-lobed, ca. 2.2 × 2.2 cm; lateral lobes erect, unequally bifid, flexuous, narrowly ovate, falcate, ca. 9 × 3 mm, dentate on apical margin; mid-lobe clawed, obovate, dilated and bilobulate at apex, ca. 9 × 9 mm across apex; lobules orbicular, ca. 5 × 4 mm, serrate-denticulate; spur cylindric, base conic, straight, 1.8-2.5 cm. Column fleshy, ca. 6 mm; foot long. Fl. unknown.
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