An epiphyte with a short stem up to 12 cm. long and 1 cm. diameter.. Leaves distichous in upper half of stem, oblanceolate, subacute and unequally bilobed at apex, 18–40 cm. long, 2–9 cm. wide, with prominent net-venation, articulated to rough overlapping leaf-bases 2–3 cm. long.. Inflorescences 1–7, pendent, 20–50 cm. long, up to 50-or more-flowered; peduncle 2.5–8 cm. long; bracts broadly ovate, obtuse, amplexicaul, 6–10 mm. long and wide.. Flowers pale yellow, lacking a scent; pedicel and ovary 2–3 mm. long.. Dorsal sepal ovate, subacute, 7.8–13.5 mm. long, 2.8–6.2 mm. wide; lateral sepals lanceolate, subacute, 8–16.5 mm. long, 2.7–7.5 mm. wide.. Petals linear to ovate, acute, 7.5–17.5 mm. long, 2.6–6.5 mm. wide, erose.. Lip geniculate at base, obscurely 3-lobed, 7.5–15 mm. long, 7–18 mm. wide, with a lacerate margin, with a tooth in the mouth of the spur which is bordered on each side by a fleshy raised rim.. Spur pendent, narrowly fusiform, inflated, 5–14.5 mm. long.. Column 2.5–4.5 mm. long; stipites 2; viscidium 1; rostellum tapering, bifid.. Fruit ellipsoidal, 10–20 mm. long.. Fig. 123.
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