| rubiaceae | The rubiaceae are asteridae with opposite leaves and interpetiolar stipules. Important genera include the cinchona and coffea. (12 Dec 1998) |
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| rubiaceous | <botany> Of or pertaining to a very large natural order of plants (Rubiaceae) 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. Origin: L. Rubia madder, fr. Rubeus = red. Source: Websters Dictionary (01 Mar 1998) |
| rubiacin | <chemistry> A substance found in madder root, and probably identical with ruberythrinic acid. Origin: L. Rubia madder, fr. Rubeus = red. Source: Websters Dictionary (01 Mar 1998) |
| rubian | <chemistry> One of several colour-producing glycosides found in madder root. Origin: L. Rubia madder, fr. Rubeus = red. Source: Websters Dictionary (01 Mar 1998) |
| rubianic | <chemistry> Pertaining to, or derived from, rubian; specifically, designating an acid Synonym: ruberythrinic acid. Source: Websters Dictionary (01 Mar 1998) |
Synonyms : Rubia cordifolia, Rubia tinctorum
Synonyms :
| Rubia | type genus of the Rubiaceae |
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| Rubia | perennial East Indian creeping or climbing herb used for dye in the orient |
| Rubia | Eurasian herb having small yellow flowers and red roots formerly an important source of the dye alizarin |
| Rubia | widely distributed family of mostly tropical trees and shrubs and herbs |
| Rubia | any of numerous trees or shrubs or vines of the family Rubiaceae |
| Rubia | an order of dicotyledonous plants of the subclass Asteridae |
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