Japan Flora: Deciduous shrub 1-2 m. high, with sessile discoid scales throughout and often coarse hairy; leaves somewhat coriaceous, narrowly elliptic to broadly lanceolate, 3-7 cm. long, L2-2.5 cm. wide, pale green beneath, acute to acuminate at both ends, sometimes glabrous, the petioles 5-10 mm. Jong; flowers solitary, before the leaves, broadly infundibuliform, 4-5 cm. across, rose-purple, the pedicels 5-10 mm. long; calyx small, 5-toothed; corolla loosely pubescent outside; stamens 10, the filaments white-pubescent at the base; style glabrous; capsules cylindric, 1-1.5 cm. long, 3-4 mm. across. Apr.
Honshu (Chugoku Distr.), Kyushu (n. distr.). Korea, China, and Ussuri.