Creeping herb, c.3–3.5 m tall; rhizome 0.5–1 cm diameter, brown or white then green; stilt roots present; interval between pseudostems c.50–60 cm, scales tubular to ovate, 1.5–4 cm long, light brown, papery, striate, glabrous, outer surface rough, apex acute, margin ciliate. Pseudostem with c.40–45 leaves per pseudostem, becoming smaller towards apex, 1–2 cm diameter, swollen at base, glabrous, outer surface finely reticulate; ligule ovate, 1–1.5 cm long, green with red margin, coriaceous, glabrous, apex acute, margin ciliate; petiole very short, c.0.2–0.3 cm long, canaliculate, 0.5 cm diameter, glabrous, green or reddish-brown; blade oblong, 15–50 3 1.5–8 cm, shiny green above, light green below, glabrous, base attenuate, apex long caudate, cauda spiralling, c.2.5–5 cm long, primary veins prominent below, secondary veins sunken. Inflorescences arising c.5–10 cm from base, 1–3 inflorescences per pseudostem; flowering part ellipsoid, 3–5 3 2–3 cm, c.6–10 flowers open at once; peduncle 7 3 0.2–0.3 cm, whitish-brown, striate, tomentose; scales tubular at base, ovate to lanceolate above, 0.5–2.5 3 0.2–1 cm, light brown, hard, coriaceous, striate, outer surface pilose or tomentose, apex acute, margin ciliate; bracts boatshaped to lanceolate, 2.3–3 3 0.8–1 cm, pinkish-brown then light brown, coriaceous, striate, hard, subtending a single flower, outer surface tomentose, rough, apex acute to cucullate; bracteole tubular, 3-toothed, 1.3–1.5 3 0.2–0.3 cm, pinkish-brown or light brown, membranous, outer surface tomentose, bracteole tube 1.5–2 cm long, teeth 0.3–0.5 and 0.7–1 cm long, apex acute to caudate. Calyx tubular, 3-toothed, 1.2–3 3 0.3 cm, whitish-pink or light brown, membranous, outer surface tomentose at base; calyx tube 1.2–2 cm long; teeth 0.3–0.6 and 0.6–1 cm long, apex acute to cucullate. Corolla 4–6 3 0.2 cm, whitish-pink, corolla tube 2–3 cm long, coriaceous, outer surface pilose at base, glabrous above; lateral corolla lobes 1.5–2.5 3 0.5–0.8 cm, membranous, glabrous, apex cucullate; central corolla lobe 1.5–2 3 0.8–1 cm, membranous, glabrous, apex cucullate; labellum clawed, 2.3–3 3 2–2.8 cm, white with yellow central stripe edged by minute red dots, sometimes with yellow tip, coriaceous, glabrous, apex rounded with 2 small lobes, margin undulate; lateral staminodes oblong, 0.5–0.7 cm long, white, apex emarginate. Filament flat, 0.5–0.7 3 0.2 cm, white, glabrous; anther oblong, 0.5–0.7 3 0.4 cm, white, glabrous; anther crest trilobed, lateral lobes 0.3 3 0.2 cm, rounded, central lobe 0.4 3 0.3 cm, membranous, white, glabrous. Stigma rounded, glabrous, apex entire; style glabrous; epigynous glands 1 pair, oblong, 0.3–0.5 cm long, glabrous; ovary 0.3–0.5 cm diameter, bullate, long white hairs; ovules round, c.20–25 per locule. Infructescence peduncle c.9–10 3 0.5 cm, brown, tomentose; fruiting part with a few fruits, 4–5 3 3 cm; fruits globose to ovoid, 1.2–2 3 1–1.5 cm, greenish-red then dark reddish-brown, prickly with 1–3 branched prickles, glabrous or hairy, stalk very short, c.0.4 cm long. Seeds globose, 0.3 cm diameter, glabrous, black, c.10–25 per locule.