Japan Flora: Partly evergreen branched shrub, the branchlets with sessile discoid scales; leaves rather coriaceous, oblong to ovate-oblong, 2.5-4 cm. long, 1-1.5 cm. wide, obtuse to subacute, acute at base, with dense sesdle discoid brownish scales beneath, the petioles 2-5 mm. long; flowers rose-purple, solitary, the pedicels short, covered by the bud scales at anthesis, 6-8 mm. long in fruit; calyx small, with 5 undulate teeth; corolla broadly infundibuliform about 3 cm. across, scattered puberulent outside; stamens 10, the filaments white-pubescent at the base; styles glabrous; capsules cylindric, scaly, about 1 cm. long, 2.5-3 mm. across. May.

Hokkaido. Korea, n. China, and e. Siberia.