Perennial non-succulent geophytic herb with tuber. Tuber depressed-globose, ±25 x 50 mm. Stem unbranched, up to 60 mm long, up to 3 mm thick at base, erect, glabrous, green, tinged pinkish at nodes, internodes 5-8 mm long. Leaves ovate at base of stem, 45-55 x 20-30 mm, younger leaves more elliptic, 25-45 x 10-15 mm, spreading, lamina glabrous, dark green, margin and lower midrib sparsely hispidulous; petiole 4.0-12.0 x 1.5-2.0 mm, shallowly grooved above, glabrous. Flowers solitary, extra-axillary at nodes, opening successively; bract linear-lanceolate, green, up to 4 x 1 mm; pedicels 2-4 mm long, up to 1.5 mm diam., recurved; sepals linear-lanceolate, up to 6.0 x 1.4 mm, acute, spreading with incurved apices, green, tinged pinkish above, with sparse, small white bristles. Corolla pale green with lines of purple speckling and sparse pubescence externally, 50-60 mm long, asymmetrical globose inflation pale yellow-green, densely purple-bullate internally, with a fringe of 1 mm long retrorse purple hairs at constriction, up to 12 x 9 mm diam., tube reddish-purple within, abruptly up-curved above inflation, narrowly funnel-shaped, up to 15 mm long, 5 mm diam. at base, broadening to 7 mm diam. at throat, sparsely clothed with long spreading white hairs up to 1 mm long; lobes up to 35 mm long, base deltoid, 2-5 mm long, abruptly narrowed into attenuated, linear-oblanceolate lobes up to 30 mm long, 0.4 mm wide at base widening to 1.6 mm near apex, connivent-erect, connate at tips forming a cage, margins recurved with sparse long white hairs on outer surface and margin. Corona cupular at base, up to 2.9 x 2.3 mm, pale green; outer corona lobes linear, erect, +1.6 x 0.4 mm, bifid almost to base, lobules purple in basal half, pale green in distal half; inner corona lobes linear, ±2.0 x 0.4 mm, adpressed to backs of anthers, then connivent and erect, forming a column in centre over style-head, slightly longer than outer lobes, apices divergent, purple at base, pale green above, glabrous. Pollinium ellipsoidal and flattened, up to 0.25 x 0.15 mm, with insertion crest along outer edge, golden brown; corpusculum oblong, up to 0.2 x 0.1 mm, brown, broadly and transparently winged, caudicle short, narrow, brown.
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