Japan Flora: Slightly scandent shrub elongate and much-branched, glabrous, green, becoming yellowish brown with age; leaves membranous, ovate or elliptic, 2.5-4 cm. long, 1.5-2.5 cm. wide, very obtuse at both ends or rounded at base, entire, glabrous and deep green on upper side, often yellowish and nearly glabrous except for yellowish brown thin pubescence on the nerves and with axillary tufts of hairs beneath, the petioles 5-10 mm. long, sparsely short-pubescent near point of attach* ment; racemes 1-2.5 cm. long, about 10-flowered, glabrous, the pedicels 2-3 mm. long; flowers about 3 mm. across; calyxlobes deltoid, rather obtuse; fruit narrowly oblong, 7-8 mm. long. Aug. Mountains.
Honshu (Kanto Distr., Kai and s. Shinano Prov.); rare.