Lip 3-lobed ± to the base; mid-lobe 26–30 mm long, the side lobes 45–50 mm long, all lobes filiform but mid-lobe slightly broader than the rest; spur 6–7.5 cm long, straight or slightly curved, slender but slightly swollen towards tip.
Dorsal sepal 16–20 × 3–4 mm, lanceolate, acute, erect; lateral sepals 17–22 × 3–4 mm, obliquely lanceolate, deflexed.
Basal leaves c. 6, lanceolate or ovate, acute, petiolate; lamina 7–13 × 3–5 cm; petiole 2.5–5.5 cm long.
Anther 13–22 mm long, slender with parallel loculi; canals 1.5 mm long, free from rostellum side lobes.
Leaves mostly clustered at the stem base, with 3–5 bract-like leaves spaced along the stem.
Flowers suberect, white with greenish apices to the tepals, the spur green.
Terrestrial herb 25–55 cm high with fleshy, cylindrical, woolly roots.
Petals 17–25 mm long, narrowly linear or filiform, entire, erect.
Inflorescence laxly 2–11-flowered; bracts 25–27 mm long.
A lax raceme of star-like white pale green flowers
Stigmas cushion-like, c. 1.5 mm long.
Ovary and pedicel 23–25 mm long.
A terrestrial herb to 2 ft. high
A tuft of radical leaves
Thick woolly roots