Noun | 1. | ![]() angiosperm, flowering plant - plants having seeds in a closed ovary family Rubiaceae, madder family, Rubiaceae - widely distributed family of mostly tropical trees and shrubs and herbs; includes coffee and chinchona and gardenia and madder and bedstraws and partridgeberry Indian madder, munjeet, Rubia cordifolia - perennial East Indian creeping or climbing herb used for dye in the orient madder, Rubia tinctorum - Eurasian herb having small yellow flowers and red roots formerly an important source of the dye alizarin |