Japan Flora: Subshrub; stems simple or scarcely branched, erect, terete, 5-10 cm. long, slender, few-leaved, glabrous; leaves opposite or in 3’s, alternating with the scalelike leaves, coriaceous, rather lustrous, broadly lanceolate, 2-3.5 cm. long, 6-10 mm. wide, acute or rarely obtuse, mucronate, rounded to subacute at base, deep green with paler midrib above, glabrous, few-toothed, the petioles 6-8 mm. long; peduncles erect, with 1 or 2 bracts on the upper portion, papillose; flowers 1 or sometimes 2, nodding, white, about 1 cm. across, not fully open; calyx-segments membranous, 6-7 mm. long, irregularly toothed; corolla-lobes obovate-orbicular, 7-8 mm. long; capsules depressed-globose, about 5 mm. across, the stigma sessile. June-July. Dry woods in hills and low elevations in the mountains;

Hokkaido, Honshu, Shikoku, Kyushu. Sakhalin, s. Kuriles, Korea, Manchuria, and China.