Japan Flora: Nearly glabrous perennial herb with obliquely spreading branches; leaves oblong or elliptic, 8-18 cm. long, 4-10 cm. wide, acuminate or abruptly acuminate at both ends, entire or obsoletely and remotely undulate-toothed, the petioles short, winged; flowers 2-5 in axils, sometimes solitary, yellowish, the pedicels slender, pendulous, 15-25 mm‘ long, thickened at the apex in fruit; calyx shallow, truncate, glabrous; corolla about 8 mm. across, 5-lobed, the lobes recurved above, lanceo- late-deltoid, acute with a minute obtuse tip; fruit globose, 7-10 mm. across, red, naked. Aug.-Oct. Woods in hills and mountains.
Honshu, Shikoku, Kyushu. Ryukyus, Formosa, Philippines, and India.