Japan Flora: Sparsely white-pubescent scandent perennial herb, woody at base; leaves ovate- cordate, 5-10 cm. long, 3-6 cm. wide, acute, abruptly cuspi­date, cordate, glaucous beneath, the petiole shorter than the blade; racemes 2-5 cm. long, pedunculate, the bracts linear, shorter than the pedicel; calyx 4-5 mm. long, 5-parted nearly to the base, the segments deltoid-lanceolate, membranous, as purple or white, about 1 cm. across, broadly campanulate, deeply 5-lobed, the lobes lanceolate, recurved at tip, villous in­side; follicles puberulent or glabrous, 8-10 cm. long, about 2 cm. across, broadly lanceolate; seeds flat, obovate, 6-8 mm. long, narrowly winged, with short, radiating striations on both surfaces.  Aug. Sunny slopes and thickets in hills and low mountains.

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

Japan Flora: Woody evergreen climber with rather thick elongate branches; leaves petiolate, orbicular, 7-12 cm. in diameter, abruptly acute, truncate-rounded or shallowly cordate at base; inflorescence axillary, short-peduncu­late, shorter or as long as the petioles, 3-6 cm. long, densely pilose; flowers white, about 5 mm. across; corolla campanulate, hairy on the throat; follicles 13-15 cm. long, rather thick.  Aug.-Sept. Warmer regions.

Honshu (Kanto Distr. and westw.), Shikoku, Kyushu. Ryukyus and s. Korea.