ni·co·ti·an·a 
(nĭ-kō′shē-ănə, -änə, -ānə)
(nĭ-kō′shē-ănə, -änə, -ānə)n.
Any of various flowering plants of the genus Nicotiana of the nightshade family, native chiefly to the Americas and including tobacco plants and ornamental species with fragrant flowers.
[New Latin (herba) nicotiāna, (herb of) Nicot, nicotiana, after Jean Nicot (1530?-1600), French diplomat.]