Japan Flora: Fragrant when dry; rhizomes short; stems erect or ascending at base, angled, 30-80 cm. long, simple or spar­ingly short-branched, minutely glandular-hairy; leaves alter­nate, ovate to broadly lanceolate, acuminate at both ends, entire, glabrescent, deep green, pale green beneath, the peti­oles 1-2.5 cm. long; flowers yellow, 1-1.2 cm. across, the peduncles slender, 4-8 cm. long, axillary, solitary, ebracteate; calyx-segments ovate-deltoid, acuminate, minutely glandular- ciliolate; corolla 2 or 3 times as long as the calyx, the lobes narrowly oblong; anthers about 4 mm. long, erect; capsules globose, whitish, about 6 mm. in diameter, deflexed, the valves crustaccous. Woods at low elevations in the mountains.

Honshu (Awa, Izu Prov. and west'v.), Shikoku, Kyu­shu. Ryukyus and Taiwan.