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Plants to 400 mm tall; fusiform roots 2-3, to 30 x 10 mm; radical leaf solitary, narrowly elliptic, acute, 80-140 x 25-45 mm, cauline leaves sheathing, narrowly lanceolate, acuminate. Inflorescences laxly 5-20-flowered, to 130 x 35 mm, glandular pubescent; bracts up to as long as the ovary. Flowers pale-blue to mauve, lip sometimes speckled darker; ovaries to 15 mm long. Sepals unequal; median erect, acute, galeate, to 6 mm long; laterals spreading, narrowly ovate, acute, c. 7 x 3 mm. Petals erect, flanking the rostellum, acute, 6 x 2 mm. Lip patent, ovate, acute, 3-lobed, 9 x 6 mm; midlobe triangular, acute, 5 mm long; side lobes acute, 1.5 mm long; spur pendent, tapering to the middle, subclavate, 8-9 x 2 mm. Gynostemium short; stigmatic processes short, sessile at the base of the rostellum; rostellum 4 mm tall, 3-lobed.
Basal leaf usually 1, sometimes 2, dark olive-green above, purple below, 5–20 × 2–5 cm, elliptic, acute, narrowing to a petiole up to 4.5 cm long; peduncle leaves usually 3, sheath-like, 2–2.5 cm long.
Inflorescence 3.5–12 cm long, several flowered; rhachis glandular-hairy; bracts 7–12 mm long, lanceolate, acute; pedicel 2–5 mm long; ovary 8–11 mm, semi-erect, glandular-hairy.
Lip 7–10 × 5–7 mm, 3-lobed at about the middle, the mid-lobe larger than the side lobes. All lobes triangular, obtuse; mid-lobe c. 3 mm long, side lobes 1–1.5 mm long.
Terrestrial herb, up to 300 mm tall. Flowers lilac with darker spots and streaks on lip, glandular-hairy on outer surface.
Dorsal sepal 5–7 × 4 mm, ovate, acute, convex; lateral sepals 6–9 × 2.5–4 mm, obliquely ovate, spreading or deflexed.
Spur 8–10 mm long, straight, parallel to ovary; slightly swollen towards apex.
Flowers pink-purple to deep purple, with darker marks in throat.
Petals 4–5 × 2.3 mm, forming hood with dorsal sepal.
Terrestrial, rarely epiphytic, herb 15–44 cm tall.
Tubers usually 2, c. 1.5 cm long, ovoid, villous.
Peduncle sparsely hairy.
Column 3 mm long.
