
Bouvardia is a genus of flowering plants in the Rubiaceae family. It contains about 50 species of evergreen herbs and shrubs native to Mexico and Central America, with one species extending into the southwestern United States (B. ternifolia, in Arizona, New Mexico, Texas). The genus is named in honor of Charles Bouvard (1572–1658), physician to ...
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http://en.wikipedia.org/wiki/Bouvardia

(genus Bouvardia), any of about 20 species of evergreen shrubs or herbs of the madder family (Rubiaceae), mostly natives of tropical America. Some ...
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http://www.britannica.com/eb/a-z/b/101

any tropical shrub belonging to the genus Bouvardia, of the madder family, having cymes of red, yellow, or white tubular flowers.
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https://www.infoplease.com/dictionary/bouvardia
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