al·la·man·da 
(ăl′ə-măndə)
(ăl′ə-măndə)n.
Any of several tropical American evergreen shrubs of the genus Allamanda, widely cultivated in warm regions for their showy yellow or purple trumpet-shaped flowers.
[New Latin Allamanda, genus name, after Jean Nicholas Sébastian Allamand (1713-1787), Swiss scientist.]