Campanula remotiflora Siebold & Zuccarini, Abh. Math.-Phys. Cl. Königl. Bayer. Akad. Wiss. 4: 180. 1846; Adenophora remotiflora f. cordata Komarov; A. remotiflora f. longifolia Komarov.

Stems single, 40-100 cm tall, glabrous, usually simple. Cauline leaves long petiolate; blade typically ovate to ovate-lanceolate, rarely ovate-orbicular, 5-13 × 2-7 cm, membranous, glabrous, base mostly truncate, rounded, or obtuse, rarely cordate, margin serrate or doubly serrate, apex usually acuminate; petiole up to 3 cm. Flowers often solitary on pedicels, less frequently in several-flowered cymes, forming a pseudoraceme or narrow panicle. Hypanthium obovoid or obovoid-obconic, glabrous; calyx lobes lanceolate, 7-12 × 1.5-2 mm, margin entire. Corolla blue, campanulate, 2-3.5 cm; lobes 7-12 mm. Disk cylindrical, 2.5-3 mm, ca. 1 mm in diam. Capsule obovoid, 5-8 × 4-7 mm. Seeds narrowly oblong, slightly curved, ca. 1 mm. Fl. Jul-Aug, fr. Aug-Sep. 2n = 34, 36.

Forest margins, forests, meadows; below 1700 m. Heilongjiang (Ning’an, Shangzhi), Jilin (E of Fusong and Jiaohe), SE Liaoning (Benxi, Huanren, Kuandian) [Japan, Korea, Russia (Far East)].