Stem short, up to 6 cm. long, 8 mm. in diameter, bearing numerous flexuous roots 2–3 mm. in diameter, and 2–6 leaves in the upper part.. Leaves distichous, ± spreading, ligulate or oblanceolate-ligulate, 10–18 cm. long, 2–2.5 cm. wide, lightly curved, the apex decidedly unequally bilobed, the lobes rounded, 3–10 mm. long, the shorter lobe sometimes almost absent, fleshy, dark green.. Inflorescence arising below the leaves, spreading or pendulous, simply racemose, to 20 cm. long, bearing 4–10 flowers; peduncle terete, to 5 cm. long, 2–4 mm. in diameter provided with 2 loose sheaths; rhachis ± straight, with short flower-bearing projections 3–5 mm. above the insertion of the bracts; bracts tubular, broadly cylindrical, to 4 mm. long.. Flowers spreading, 1–3 cm. apart, becoming closer towards the tip of the rhachis, pale green at first, becoming white, but with the spur, pedicel and base of the tepals salmon-pink; pedicel with ovary curved, 1.5–2 cm. long.. Dorsal sepal erect, narrowly ovate, apiculate, 13–16 mm. long, 5–7.2 mm. wide; lateral sepals spreading, narrowly ovate, acute or apiculate, 11–15 mm. long, 4–6 mm. wide.. Petals spreading, narrowly ovate, subacute or obtuse, 11–16 mm. long, 4–6 mm. wide.. Lip similar to the tepals, 11–18 mm. long, 5.5–7.5 mm. wide.. Spur curving forwards, slighdy wider in the distal half, 5–6 cm. long.. Column short and thick, to 3 mm. high; anther-cap rounded; rostellum projecting downwards and forwards; pollinia ellipsoid-globose; stipes narrow, 2 mm. long; viscidium oblanceolate; stigmatic surface transversely oblong.
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Inflorescence spreading or pendent, to 20 cm long, 4–10-flowered. Peduncle to 5 cm long, with 2 loose sheaths; rhachis ± straight, with the flowers borne on short projections set 3–5 mm above each bract.
Leaves 2–6, 7–19 × 2–3.8 cm, ligulate or oblanceolate, unequally 2-lobed at the apex; the lobes rounded; lamina somewhat fleshy, dark green with a darker reticulate venation.
Tepals spreading, so that flower is saucer-shaped, all narrowly ovate or obovate, apiculate; dorsal sepal 13–16 × 5–7 mm; lateral sepals 11–15 × 4–6 mm; petals similar.
Epiphytic herb; stem woody, up to 10 cm long, occasionally longer in old plants, the lower part covered with old leaf bases.
Lip similar to tepals, 11–18 × 5.5–7.5; spur 5–6 mm long, slightly thicker in apical half, curving forwards.
Flowers white, usually slightly tinged with pink, especially on the spur.
Capsules c. 2 cm long, ovoid or ellipsoid.
Roots numerous, 2–3 mm in diameter.
Pedicel and ovary 1.5–2 cm long.
Column to 3 mm long, stout.
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