Herbs perennial. Rhizomes subglobose, large. Stems erect, ca. 30 cm tall, glabrous, simple, slenderly striate. Basal leaves: petiole large, 2-3 cm; leaf blade orbicular-ovate, 3-6 × 3-4.5 cm, subleathery, both surfaces glabrous, base subcordate, decurrent along petiole forming a wing, margin slightly revolute, apex obtuse. Cauline leaves shortly petiolate or subsessile; leaf blade ovate or lanceolate; ocrea: lower part green, upper part brown, tubular, membranous, dehiscent, not ciliate. Inflorescence terminal, spicate, dense, 3-4 cm, ca. 1.5 cm in diam.; bracts brown, ovate or ovate-lanceolate, 4-5 mm, membranous, apex acuminate, each 3-flowered. Pedicels longer than bracts, slender. Perianth pinkish, 5-parted; tepals narrowly elliptic, ca. 3 mm. Stamens 8, exserted. Styles 3; stigmas capitate. Achenes light brown, shiny, ovoid, trigonous, equaling persistent perianth, ca. 3 mm. Fl. Jul-Aug, fr. Aug-Sep.
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