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An orchid. It grows in the soil. It grows 1 m tall. The tubers are hairy and produce slender or stout stems. The tubers are 1.5-3 cm long and 1 cm wide. The roots are hairy and wiry. There are separate leafy stems next to the flowering stems. There are 2-5 leaves on the sterile stems. The lowest one or two surround the stem. The upper leaves are long and narrow and 27 cm long by 6.5 cm wide. The flowering stalk is 4-35 cm long. It has 6-12 leaves that form a sheath around it. These leaves are 13 cm long. They are narrow and pointed. The flower head is 5-25 cm long. There are many small pink to yellow flowers. They have a sweet scent. The fruit is a narrowly oval capsule. It opens by slits to release the very small seeds.
Plants (200-) 380-810 (-1070) mm tall; leaves usually 2, borne on a sterile shoot, nearly erect to partly spreading, ovate to lanceolate-oblong, acute, 40-320 mm long. Inflorescences slender, dense, (11-) 17-79 (-100)-flowered; bracts lanceolate, 1.3-3.3 times the length of the 8-12 mm long, curved ovary. Flowers pink to deep rose, sometimes yellowish. Sepals and petals fused to the lip for lh their length, curved in the distal 1h; sepals elliptic, 7-10 mm long; petals obovate. Lip spurs 6-19 mm long. Stigma transversely oblong to subquadrate, c. 1 mm long; rostellum often emergent from the galea, oblong, 1-2 mm long, with an appendix.
Plants terrestrial, fairly robust, 0.20-1.07 m high. Leaves 2, basal, on sterile shoot, partly spreading, ovate to lanceolate, 40-320 mm long. Inflorescence slender, dense, 17-100-flowered; bracts deflexed. Flowers small, pink to deep rose, sepals and petals fused to lip, curved distally. Sepals elliptic, 7-10 mm long. Petals obovate. Lip uppermost, apical flap reflexed, glabrous; spur 6-19 mm long. Flowering time Oct.-Mar.
Median sepal 5.5–8 × 1.5–2 mm, oblong, rounded, decurved; lateral sepals spreading and slightly twisted, oblique, slightly longer and broader than median sepal.
Column 4.5–7 mm high; stigma 1–1.5 × 2 mm; rostellum mid-lobe spoon-shaped or orbicular with a narrow base, the side lobes much shorter and tooth-like.
Sterile shoot 2–5-leaved; the lowermost 1–2 leaves sheath-like; the upper leaves up to 27 × 8 cm, lanceolate or elliptic.
Lip 5–10 mm long, 5–8 mm wide when spread out, very convex and hooded, the apex recurved.
Bracts 20–40 mm long at base of inflorescence, reflexed, prominent, pink-tinged.
Sepals and petals joined to each other and lip in basal third or quarter.
Robust terrestrial herb 25–80 cm high; tubers 2–3 × 1 cm, ellipsoid.
Flowering stem sheathed by 6–12 sheathing leaves up to 13 cm long.
Inflorescence 5–35 × 2–3 cm, densely many-flowered.
Flowers pale to deep pink, rarely yellowish-white.
Spurs 6–17 mm long, slender, parallel to ovary.
Petals similar to median sepal, curled under.
Ovary and pedicel 10–12 mm long.
