RUBIACEOUS
Etymology
Adjective
rubiaceous (not comparable)
Of or pertaining to the large and diverse family of flowering plants known as Rubiaceae.
Source: Wiktionary
Ru`bi*a"ceous, a. Etym: [L. rubia madder, fr. rubeus red.] (Bot.)
Definition: Of or pertaining to a very large natural order of plants
(Rubiaceæ) named after the madder (Rubia tinctoria), and including
about three hundred and seventy genera and over four thousand
species. Among them are the coffee tree, the trees yielding peruvian
bark and quinine, the madder, the quaker ladies, and the trees
bearing the edible fruits called genipap and Sierre Leone peach,
besides many plants noted for the beauty or the fragrance of their
blossoms.
Source: Webster’s Unabridged Dictionary 1913 Edition