Description from Flora of China
Herbs, perennial, to 90 cm tall, unbranched, densely hirsute and glandular hairy. Leaf blade orbicular-ovate or oblong, ca. 14 × 7 cm, lower third abruptly narrowed, sparsely to densely hirsute, ciliate and glandular on veins and margin, base amplexicaul to perfoliate, margin entire to sinuous or shallowly lobed, apex acuminate. Inflorescence of 2 or 3 6-flowered whorls, at apex of stem. Sepals lanceolate, 6-10 mm, subequaling ovary, outside densely glandular hairy. Corolla ca. 1 cm; lobes purple-brown with paler flecks; tube yellow-green with a shallow spur at base; spur pointing outward, not reaching apex of ovary. Stamens: 2 longer, other 3 subequal in length; anthers narrowly elliptic. Style filiform; stigmas exserted. Drupe sessile, greenish, dry, pyriform with persistent calyx, 1-1.5 cm in diam., densely glandular hairy. Pyrenes 3, with 5 or 6 prominent ribs. Fl. Jun, fr. Sep-Oct. 2n = 18.
Forests, streamsides; 800-900 m. Jilin, Liaoning, Xinjiang [Japan, Russia (Primorsky Krai)].