Erect shrublet, 75-120 cm high. Branches ± terete, 0.5-0.7 cm ø, lower part rather straight, upper part slightly zigzag, slightly pubescent, glabrescent. Leaves firmly chartaceous, elliptic, rarely lanceolate or oblanceolate, 20-35 by 7.5-15 cm; apex short-acuminate; base cuneate; sparsely pubescent above when young, glabrescent, often almost glabrous when old, pubescent beneath; nerves 6-9 pairs, usually pinnate, usually the basal pair for 0.5-0.7 cm united with the midrib, ascending up to ½-⅔ of the blade, sometimes one weak, short pair starting from the very base and extending along the margin; veins and veinlets closely reticulate, or ± crossbarlike; both nerves and veins prominent below, obscure above; petiole very short, 5-7 mm, slightly pubescent. Inflorescences near the basal part of stem, 1 or 2 in an axil of a scale-like leaf, c. 5 cm long, spiciform, slightly puberulous; bracts lanceolate, linear, or oblanceolate, 5-6 mm long, rarely 2-lobed, sparsely puberulous on both surfaces. Pedicel and ovary 15-17.5 mm long, sparsely puberulous. Perianth cupular, 12-17.5 mm long, 20-25 mm ø, obscurely lobed; tubec. 10 mm long; lobes arcuate, 3-5 by 15-20 mm, slightly acute at the apex. Stamens in 2 whorls: upper row 7-10, lower 13 or 14; filaments hairy (?) or glabrous, 0.3-0.6 mm; anthers oblong, c. 1 mm long. Style column c. 2 mm long; lobes c. 10, erect, c. 1 mm long. Capsules siliquiform, 6.5-9 cm long, 4-angular, straight, narrowed and pointed at both ends, sparsely hairy or almost glabrous. Seeds broad-ellipsoid or subglobose, obscurely triangular on cross-section, 2 by 1.5-1.3 mm, prominently rugose, with transverse bars and tubercles, deeply furrowed.
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