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Plants terrestrial or lithophytic, 90-200 mm tall, with several cylindrical tubers; basal leaves 5-20, narrowly elliptic to obovate, shortly sheathing-petiolate, acute, concolourous, 30-80 x 9-16 mm; cauline leaves distant, 6-9 mm long. Inflorescences laxly 4-20-flowered, 25-120 x 10-30 mm; bracts thin, acuminate, 3-5 mm long. Flowers white to pink, often with purple spots at the base of the lip. Sepals subequal, 4-5 x 2-2.5 mm, narrowly ovate, rounded to subacute; median concave; laterals oblique. Petals erect, ovate, acute, 3.5 x 1.5 mm. Lip patent, obtriangulate, trilobed, 5-9 x 7 mm, disc villous, lip surface papillate; midlobe oblong to linear, 1.5-3 x 1-1.2 mm; side lobes truncate-rounded to obliquely truncate, square to oblong, 2-3 mm long; spur slender, tapering, widening towards mouth, 2-3 x 0.2-0.4 mm.
Terrestrial, lithophytic herb, 0.09-0.20 m high; many tuberous roots. Leaves 5-20, radical, in rosette at base of stem, elliptic, up to 150 x 30 mm, dull green, glabrous, margins undulate, acute, recurved apices. Inflorescence slender, erect, lax, many-flowered raceme, subsecund; up to 180 mm long, 5-40 flowers, white or pinkish mauve with few darker spots on lip. Sepals ovate, subequal, spreading, unlobed, rounded, longer than petals; dorsal sepal up to 6 mm long. Petals unlobed, porrect, enclosing column. Lip unequally 3-lobed; spur minute. Flowering time Jan.-Apr.
Lip 10–14 mm long, obovate-cuneate in outline, 3-lobed in apical half; side lobes rounded or truncate, wider and usually slightly longer than mid-lobe; spur 1.5–3 mm long, slender, acute, straight or slightly curved.
Leaves 5–20 in a basal rosette, erect or spreading, 5–15 × 1–3 cm, linear, lanceolate-elliptic or ovate-lanceolate, glabrous, often somewhat glaucous green, apex acute, margins not undulate.
Column less than 2 mm long; staminodes erect, narrow, club-shaped, obscurely lobed at apex; stigmatic arms small, curved upwards then downwards in front of the staminodes.
Slender, tuberous geophyte to 20 cm. Leaves basal, narrowly elliptic. Flowers few to many in a lax raceme, white to pink, lip 3-lobed, 5-9 mm long, spur 2-3 mm long.
Scape with several sheaths, ovate, long-acuminate, decreasing in size up the scape.
Sepals 4–6 mm long, ovate, obtuse or rounded, the lateral sepals oblique.
Petals 3–5 mm long, ovate, enfolding the column, the margins entire.
Flowers white, pink or rosy-crimson, the lip usually spotted.
Tubers several, cylindrical, up to 8 mm in diameter.
Terrestrial or lithophytic herb, 10–20 cm tall.
Inflorescence to 20 cm high, 5–40-flowered.
Capsule 1–1.5 cm long, ribbed.
