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A large erect terrestrial herb up to 65 cm. tall.. Pseudobulbs erect or suberect, cylindrical-conical, 4–5-noded, 2–5 cm. long, up to 1.2 cm. diameter, obvious only after leaves have rotted.. Leaves 3–5, almost in a rosette, suberect or spreading, lanceolate to elliptic-oblong, acute or acuminate, 15–45 cm. long, 5–13 cm. broad, glossy dark green above, ± pubescent beneath; petiole sulcate, 4–25 cm. long.. Inflorescence erect, few–many-flowered, up to 60 cm. or so long; peduncle stout, pubescent; rhachis pubescent; bracts lanceolate, acute or acuminate, suberect to recurved, 1–3 cm. long.. Flowers large, showy, white to rose-purple with a darker lip; callus white to orange; column white.. Dorsal sepal lanceolate to narrowly elliptic or oblong-elliptic, acute, 1.3–3.5 cm. long, 0.4–1.2 cm. broad; lateral sepals similar but oblique.. Petals elliptic to oblanceolate, acute or obtuse, 1–3 cm. long.. Lip 3-lobed, adnate at base to column, 1.2–2.5 cm. long, 0.8–2 cm. broad, spurred at base; side lobes ± auriculate, 0.5–7 cm. long; midlobe much larger, flabellate to obovate, emarginate; callus verrucose, of 3 ridges of which the central one is longest. Callus fleshy, 3–7 mm. long.. Spur pendent, sigmoid or incurved, 1–4 cm. long.. Fig. 59.
Plants to 650 mm tall; stems erect, slightly swollen at the base, bearing roots from the lower nodes and leaves from the upper; leaves 3-5, erect to spreading, blades lanceolate, acuminate, 200-350 x 60-110 mm, thin, dark green above and sparsely pubescent below, tapering to a linear, sulcate, 60-120 mm long petiole. Inflorescences pubescent, densely to laxly many-flowered, 70-200 mm long; rhachis erect, with several 20-30 mm long green sheaths; bracts green, narrowly triangular, shorter than the c. 30 mm long ovaries. Flowers white to pale mauve, fading apricot orange. Sepals sub-equal, elliptic to narrowly oblong-elliptic, acute, 13-27 x 5-12 mm; laterals somewhat oblique and acuminate. Petals elliptic to lanceolate, acute, 12-21 x 5-12 mm. Lip 3-lobed, base extensively fused to the gynostemium, 9-18 x 7-15 mm, callus of 3 small ridges; midlobe flabellate, emarginate, margins often crenulate; side lobes much smaller, 1-4 mm long; spur narrowly cylindrical, 15-30 mm long. Gynostemium short. Capsules ribbed, cylindrical, 20 x 8 mm, decurved.
Terrestrial or epiphytic herb, up to 0.70 m high; with long fibrous roots. Stems pseudobulbs, in rows from basal rhizome, leafy, small and obscured. Leaves 2-several, petiolate, plicate, very thin, limb elliptic to oblong-lanceolate, 200-400 x 70-115 mm. Inflorescence a lateral raceme; scape erect, longer than leaves, pubescent. Flowers 10-30, above leaves, large, white to pink, fading to apricot-orange. Sepals subequal, free, widely spreading. Petals similar to sepals. Lip fused to gynostemium, spurred, 3-lobed, middle lobe 2-lobed, with callus; spur slender, 20-40 mm long. Flowering time Jan.-Mar.
Robust, rhizomatous perennial to 65 cm, with pseudobulbs largely obscured by leaves. Leaves lanceolate, pleated. Flowers many in a shortly hairy raceme, white to pink, lip 3-lobed with a callus of 3 small ridges, spur slender, 15-30 mm long.
Lip 3-lobed at the base, 11–15 × 6–25 mm, with 3 ridges at the base. Side lobes auriculate or crescent-shaped, 5–7 mm long; mid-lobe flabellate to obovate, emarginate, sometimes with a small tooth in the sinus.
Terrestrial herb, up to 0.6 m high. Column united to lip for most of its length. Spur longer than lip. Flowers whitish or pale mauve, fading to an apricot-orange colour.
Leaves 3–5 ± rosulate, suberect to spreading; leaf up to 35 × 12 cm, lanceolate, acute, plicate, dark green; petiole 5–25 cm long.
Sepals 9–37 × 4–14 mm, lanceolate, acute, the lateral sepals usually slightly longer than the dorsal ones and oblique.
Peduncle slightly pubescent with 2 sheath-like leaves; inflorescence densely several-to many-flowered.
Pseudobulbs rather obscure, 2–5 × 1.5 cm, conical, with 4–5 nodes.
Petals 8–25 × 4–14 mm, elliptic or oblanceolate.
Spur slender, straight or sigmoid, 1–4 cm long.
Flowers white or purple with orange callus.
Large terrestrial herb up to 70 cm tall.
Pedicel and ovary each 10–15 mm long.
Bracts 1–3 cm long.
