Plants from slender, creeping rhizome. Stems simple, 1–2 dm, glabrous, nodes coarsely fringed-ciliate. Leaves 3–5.5 × 1.5–2 cm; blade ovate-lanceolate to oblong-lanceolate, base rounded, apex acute to acuminate; peduncle bearing 1 flower per axil, 5–10 mm including pedicel, entire structure slender. Flowers 1–5; perianth rotate; tepals recurved at tips, wine-colored with yellowish green apex, oblong-lanceolate, 3–5 mm, apex acuminate; stamens 1.5–2 mm; anthers 1 mm, apex minutely apiculate; style bulbous-conical, 0.5 mm; stigma unlobed. Berries orangish red, globose, 5–6 mm. Seeds 2.5 mm. 2n = 16, 54.
Dense, damp coniferous forests; at elevations up to 1,600 metres. Moist woods, river banks and alder thickets.
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