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Plants terrestrial or rarely epiphytic, 100-200 mm tall; pseudobulbs adjacent, often only well-developed in the previous year's shoot; leaves 2-3, ovate-elliptic, acute, ascending, with 5-7 veins prominent below, thin-textured, 45-120 x 25-70 mm; scape with distant sheaths, cordate-acuminate, 5-15 mm long. Inflorescences laxly 2-several-flowered; bracts dry, similar to the sheaths and much shorter than the ovaries. Flowers green. Sepals unequal; median sepal patent, lorate, acute, 10-12 x 1.5-2 mm; laterals patent, oblique, oblong, rounded to obtuse, 8-11 x 4-5 mm. Petals pendent to patent, linear, margins inrolled, 8-12 x 1 mm. Lip very broadly obovate, rounded, concave with a small conical callus at the base, 7-8 x 7-8 mm. Gynostemium erect, 5 mm tall. Capsules erect, fusiform, 10 x 4 mm.
Plants terrestrial or epiphytic, 0.1-0.2 m high. Leaves 2 or 3, ovate-elliptic, acute, ascending, 5-7 prominent veins below, thin-textured, 45-120 x 25-70 mm. Inflorescence a lax raceme, 2-16-flowered. Flowers green. Sepals unequal; median sepal patent, lorate, acute, 10-12 x 1.5-2.0 mm; lateral sepals patent, oblique, oblong, rounded to obtuse, 8-11 x 4-5 mm. Petals pendent to patent, linear, margins inrolled, 8-12 x 1 mm. Lip broadly obovate, rounded, concave, with small callus at base, 7-8 x 7-8 mm. Flowering time Nov.-Mar.
Epiphyte or terrestrial herb, up to 70 mm tall. Pseudobulbs immediately adjacent to each other. Leaves 30-100 x 20-60 mm. Inflorescence terminal, bearing 4-12 flowers. Lip 6-8 mm broad. Flowers green or yellowish green.
Dorsal sepal erect, 8–11 × 1–2.5 mm, linear-lanceolate; lateral sepals 6–9 × 2.5–4 mm, obliquely elliptic, falcate, obtuse, lying under the lip.
Flowers green to yellow-green, or clear yellow, turning buff-orange with age; lip with a metallic grey or orange central line.
Lip 5–7 × 6–8 mm, orbicular or transversely oblong, auriculate at base, the margin entire, with a bifid callus in the throat.
Inflorescence laxly c. 25-flowered; peduncle with 1–several triangular bracts.
Leaves 5–14 × 1–7.5 cm, lanceolate or ovate, acute, plicate, thin-textured.
Petals 5–12 × c. 0.5 mm, linear, acute, pointing downwards and outwards.
Terrestrial, lithophytic or epiphytic herb, 8–40 cm tall.
Column 3–4 mm long, arched to form almost a right angle.
Pseudobulbs to 7 × 1.5 cm, conical, 2–5-leaved.
Bracts 10–15 mm long, lanceolate, acuminate.
Pedicel and ovary 7–11 mm long.
