Gamopetalae
Gamopetalae is an artificial historical group used in the identification of plants based on Bentham and Hooker's classification system. == Use by Bentham and Hooker == George Bentham and Joseph Dalton Hooker published this as Genera plantarum ad exemplaria imprimis in herbariis kewensibus servata definita in three volumes between 1862 and 1883.