Rubiaceous

[Sarah]

Of or pertaining to a very large natural order of plants(Rubiaceæ) named after the madder (Rubia tinctoria), and includingabout three hundred and seventy genera and over four thousandspecies. Among them are the coffee tree, the trees yielding peruvianbark and quinine, the madder, the quaker ladies, and the treesbearing the edible fruits called genipap and Sierre Leone peach,besides many plants noted for the beauty or the fragrance of theirblossoms.