Question: The genus Omphalodes and the genus Gelsemium are both examples of what?
Sentence (from "Gelsemine"): Gelsemine (CHNO) is an indole alkaloid isolated from flowering plants of the genus "Gelsemium", a plant native to the subtropical and tropical Americas, and southeast Asia, and is a highly toxic compound that acts as a paralytic, exposure to which can result in death.
Relevant evidence: No