Japan Flora: Peren­nial erect herb, 60-100 cm. high, ligneous at base, die branches pubescent while young, becoming glabrous and gray-yellow; leaves oblong, ovate, or narrowly so, 6-13 cm. long, 3-7 cm. wide, acute, rounded or abruptly narrowed at base, entire or slightly undulate-toothed, pubescent above and on nerves be­neath or on both surfaces, the petiole winged in upper part; flowers 1 or 2 in axils, the pedicels 5-10 mm. long, promi­nently ycllow-hrown spreading-pubescent; calyx 10-clcft, 6-10 mm. across at anthesis, 1-2 cm. across in fruit, densely yellow­ish pubescent, the teeth broadly linear; corolla about 1.5 cm. across, 5-cleft, the teeth narrowly ovate-deltoid; anthers 3-4 mm. long, narrowed at tip, the locules opening by an oblique apical pore; berries globose, red. May-Oct. Warm regions.

Honshu (s. centr. distr.), Shikoku, Kyushu. Ryukyus, For­mosa, China, India to Malaysia, and Hawaii.