Noun | 1. | ![]() rosid dicot genus - a genus of dicotyledonous plants family Saxifragaceae, Saxifragaceae, saxifrage family - a large and diverse family of evergreen or deciduous herbs; widely distributed in northern temperate and cold regions; sometimes includes genera of the family Hydrangeaceae bishop's cap, miterwort, mitrewort - any of various rhizomatous perennial herbs of the genus Mitella having a capsule resembling a bishop's miter Mitella diphylla, fairy cup - miterwort of northeastern North America usually with two opposite leaves on erect flowering stems that terminate in erect racemes of white flowers five-point bishop's cap, Mitella pentandra - small plant with leaves in a basal cluster and tiny greenish flowers in slender racemes; northwestern North America to California and Colorado |