Herbs, perennial. Roots numerous, fibrous. Leaves basal; petiole 5-12 cm; leaf blade broadly ovate to elliptic, (2.5-)3.5-10 × (1-)2-5 cm, papery, pubescent to subglabrous, veins 5(or 7), base broadly cuneate to rounded and decurrent onto petiole, margin entire, remotely serrate, or dentate, apex rounded to acute. Spikes narrowly cylindric, 3-20 cm, usually interrupted basally; peduncle 5-25 cm, pubescent; bracts broadly ovate to broadly ovate-triangular, 1-2.3 mm, keel projecting beyond apex, apex acuminate. Sepals 2-2.8 mm, keel projected at apex, apex acuminate; lower sepals ovate-elliptic, keel broad; upper sepals broadly ovate to broadly ovate-orbicular, keel narrow and obviously projected. Corolla white, glabrous; tube slightly longer than calyx; lobes narrowly triangular, 1-1.5 mm, patent to reflexed, apex acuminate. Stamens adnate only to near base of corolla tube, exserted; anthers white, ovoid, ca. 0.8 mm. Pyxis narrowly conic-ovoid, 4-4.5 mm, circumscissile near base, with 6-9 seeds. Seeds dark brown, ovoid to ellipsoid, angled, 1.2-1.8 mm, ventral face prominent; cotyledons parallel to ventral side. Fl. May-Aug, fr. Jul-Sep.
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