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Information Plant stout, erect, glabrous, 20–32 in. high. Leaves not known. Stem with several distant loose acute sheaths. Spikes elongate, cylindrical, 8–10 in. long, loosely many-flowered. Bracts leafy, erect at first, ultimately reflexed, lanceolate, acute, glabrous, lower exceeding the flowers, upper scarcely equalling them. Pedicels scarcely 5 lin. long. Flowers green. Sepals and petals spreading, connate to the middle into a linear claw; lateral sepals obliquely falcate-oblong, obtuse, 1 1/2 lin. long, odd one linear, obtuse, shorter than the lateral. Petals linear, obtuse, as long as the odd sepal, slightly dilated and puberulous at the apex. Lip galeate, subglobose, scarcely keeled behind, free margin erect, subacute at the apex; mouth much contracted; spurs filiform, spreading or ascending, as long as the pedicels. Column slender, terete, somewhat curved; stigma subquadrate or 4-lobed; rostellum as long as the stigma, subquadrate-oblong, somewhat trilobed, side lobes short, toothlike and acute, middle lobe large, suborbicular, and shortly stalked.

Information Terrestrial herb 40–100 cm high; tubers to 5.5 cm long, globose, ellipsoid or fusiform.Sterile shoot 3–4-leaved; the lowermost 1–2 leaves sheathing; upper leaves 12–27 × 3–6 cm, elliptic or lanceolate.Flowering stem with c. 10 sheathing leaves up to 10 cm long.Inflorescence 12–48 × 2.5–5 cm, cylindrical, densely many-flowered.Flowers lilac with darker spurs or greenish-white; rhachis and ovary purple.Ovary 10 mm long; bracts green with purple edge, reflexed, to 30 mm long at base of inflorescence, lanceolate, acute.Sepals and petals curled under, joined for about half their length to each other and lip.Sepals 4.5–5.5 × 1–2 mm, oblanceolate, obtuse, the median narrower than the laterals.Petals 4–5 × 0.5 mm, ciliolate.Lip thick-textured with a narrow mouth, 5–7 mm long, ellipsoid, forming a hood; spurs 8–11 mm long curving upwards and diverging from each other.Column c. 4 mm high; stigma 1.5 × 1.5 mm; rostellum mid-lobe spoon-shaped from a narrow base, much longer than side lobes.