Japan Flora: Sparsely crisped-puberulent perennial herb; stems long-scandent and branched; leaves rather thick-mcmbranous, broadly- to linear- lanceolate, 3-10 cm. long, 5-10 mm. wide, acuminate，rounded to truncate at base, the petioles 3-8 mm. long; inflorescence umbel like, rather few-flowered, on axillary peduncles about 1 cm. long, the pedicels 5-10 mm. long; flowers yellow-green, 7-8 mm. across; corolla-lobes deltoid-lanceoate, 3-4 mm. long, obtuse, glabrous outside, short white-puberulent inside; corona­lobes deltoid, yellowish, obtuse, nearly as long as the gyno- stegium; follicles narrowly lanceolate, glabrous, 4-5 cm. long, 5-6 mm. wide. Aug.-Oct.

Honshu (Yamato Prov.), Shi­koku, Kyushu.