tree tobacco
noun
a treelike South American plant, Nicotiana glauca, of the nightshade family, having blue-green foliage, heart-shaped leaves, and white, greenish-yellow, or purple flowers, the corolla yellow, grown as an ornamental.
Origin of tree tobacco
First recorded in 1890–95
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019