Pieris D. Don. Evergreen Fetterbush.
A genus of 7 species, shrubs, of e. Asia, e. North America, and Cuba. Judd (1982a) treats Pieris as a genus of 7 species, 4 in e. Asia, 1 in the Southern Appalachian Mountains, 1 in the se. United States Coastal Plain, and 1 in w. Cuba.
Ref: Judd (1979); Judd (1982a); Judd (2009b) In Flora of North America Editorial Committee (2009); Stevens et al. In Kubitzki et al. (2004). Show full citations.