Pyrola tschanbaischanica Y. L. Chou & Y. L. Chang

Herbs 8–13 cm tall. Rhizome long, slender, branched. Leaves 3–5(or 6); petiole 1.8–4 cm; leaf blade light green abaxially, green adaxially, elliptic, 1.8–2.5 × 1.3–1.9 cm, leathery, base cuneate, margin entire, slightly incurved, apex obtuse or rounded. Scape with 1–3 scalelike leaves at base; raceme 3–5-flowered, 1.5–2.8 cm, with 1–3 scalelike bracts subtending scape. Pedicels 3–4 mm; bracts ovate-lanceolate, 4.3–4.5 mm. Flowers nodding, spreading, broadly saucer-shaped, ca. 1 cm in diam. Sepals oblong or ovate-oblong, ca. 3 × 1.5 mm, apex acute. Petals white, obovate, 5–6 × 3–4 mm, margin entire and incurved, apex obtuse. Filaments glabrous; anthers yellow, ca. 2 × 1 mm. Style exserted, upper part slightly curved, ca. 8 mm, dilated at apex into an inconspicuous ring. Capsule 5–6 mm in diam. Fl. Aug, fr. Sep.

S Jilin (Changbai Shan).

Alpine tundra; ca. 2100 m.