Definitions for "Solanaceous"
Of or pertaining to plants of the natural order Solanaceæ, of which the nightshade (Solanum) is the type. The order includes also the tobacco, ground cherry, tomato, eggplant, red pepper, and many more.
of or relating to plants of the family Solanaceae (the potato family)
Plants that belong to the potato / tomato family (Solanaceae), such as potato, tomato, eggplant, peppers, tobacco, and petunia.