Herbs to 50 cm tall. Stems subterete, bifariously pubescent. Petiole (1-)4-4.5 cm, pubescent; leaf blade ovate to elliptic, 10-17 × 4-8.5 cm, thinly papery to papery, abaxially pubescent along veins, adaxially densely covered with white linear cystoliths and glabrous, secondary veins 6 or 7 on each side of midvein, base broadly cuneate and slightly oblique, margin undulate-denticulate, apex acuminate. Spikes axillary, 2.5-11 cm, 1-sided; bracts 4-ranked, heteromorphic; sterile bracts elliptic to ovate-elliptic, (6-)10-12 × 3-4 mm, abaxially subglabrous, hyaline margin ca. 0.5 mm and ciliate, apex obtuse; fertile bracts elliptic to obovate-elliptic, ca. 12 × 5 mm, abaxially puberulent, margin slightly ciliate, apex rounded; bracteoles obovate-elliptic, ca. 7 × 3 mm, apex obtuse. Calyx 6-10 mm; lobes subulate, margin ciliolate. Corolla not seen. Capsule ca. 1 cm, pubescent. Seeds ovate in outline, ca. 2 × 2 mm, verrucose. Fr. Apr-Jun.
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