Japan Flora: Plant relatively larger, 30-70 cm. high, usually branched; leaves 6-12 cm. long, 2-5 cm. wide, the margins and nerves beneath with semi rounded mammillae; flowers usually larger than in No. 2, pale green, the tepals 13^18 mm. long; filaments 4-5 mm. long, the anthers 3-4 mm. long; style about 4 mm. long, usually as long as the ovary. Mountains;
Honshu (centr. and Kan to Distr.). Korea, Manchuria, and Ussuri.