Noun | 1. | ![]() rosid dicot genus - a genus of dicotyledonous plants Papilionoideae, subfamily Papilionoideae - alternative name used in some classification systems for the family Papilionaceae Aspalathus cedcarbergensis, Aspalathus linearis, rooibos - South African shrub having flat acuminate leaves and yellow flowers; leaves are aromatic when dried and used to make an herbal tea |