Diphylleia Michaux. Subfamily: Podophylloideae.
A genus of 3 species, herbs, with a relictual north temperate distribution. The other two species in the genus are east Asian – D. grayi F. Schmidt of Japan and Sakhalin, and D. sinensis H.L. Li of the Hubei, Shaanxi, Gansu, Sichuan, and Yunnan provinces of China.
Ref: Christenhusz, Fay, & Byng (2018); George (1997a) In Flora of North America Editorial Committee (1997); Loconte In Kubitzki, Rohwer, & Bittrich (1993); Stearn (2002); Ying, Terabayashi, & Boufford (1984). Show full citations.