title: Revision of the Maddenia clade of Prunus (Rosaceae).
abstract: The Maddenia clade of Prunus L. is monographed based on herbarium and field studies. Four species are currently accepted in this group: Prunus himalayana J.Wen, Prunus hypoleuca (Koehne) J.Wen, Prunus hypoxantha (Koehne) J.Wen, and Prunus gongshanensis J.Wen, with the last described herein as a new species. Maddenia fujianensis Y.T.Chang and Maddenia incisoserrata T.T.Yü & T.C.Ku are treated as synonyms of Prunus hypoleuca.
authors.affiliation: Department of Botany, National Museum of Natural History, MRC 166, Smithsonian Institution, Washington, D.C. 20013-7012, USA.
authors.forename: Jun
authors.initials: J
authors.lastname: Wen
authors.forename: Wenting
authors.initials: W
authors.lastname: Shi