Of or belonging to the nightshade family.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "solanaceous" in a sentence
"Our invaluable Potato, which enters so largely into the dietary of all classes, belongs to the Nightshade tribe of  dangerous plants, though termed "solanaceous" as a natural order because of the sedative properties which its several genera exercise to lull pain."
"In the courts were small plantations of tobacco, and a little solanaceous plant which the Balonda use as a relish; also sugar-cane and bananas."
"The milk of goats does not coagulate with facility, like that of cows, on account of its richness; but the natives have discovered that the infusion of the fruit of a solanaceous plant, Toluane, quickly produces the effect."