Orthrosanthus is a genus of flowering plants in the family Iridaceae first described as a genus in 1827.
 It native to Australia, Mexico, Central and South America.
Solandra is a genus of flowering plants in the nightshade family, Solanaceae.
 It is named after the Swedish naturalist Daniel C. Solander.

Question: Are Orthrosanthus and Solandra members of the same family?
Answer: no