Quick Quiz: Nouns Score: Change category, Flip order Reset Incorrect! Try again. Noun: poisonous plant Your choice? a face without any interpretable expression (as that of a good poker player)   (Noun: poker face) Polemoniaceae; Solanaceae; Boraginaceae; Labiatae; Lentibulariaceae; Pedaliaceae; in some classifications includes the order Scrophulariales the investigation of criminal activities to determine the perpetrator a plant that when touched or ingested in sufficient quantity can be harmful or fatal to an organism