lantana vs poisonous plant

lantana and poisonous plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
lantana	Yes	No	No	No
poisonous plant	Yes	No	No	No

As nouns, poisonous plant is a hypernym of lantana; that is, poisonous plant is a word with a broader meaning than lantana:

lantana: a genus of about 150 species of flowering shrub, commonly known as shrub verbenas or lantanas
poisonous plant: a plant that when touched or ingested in sufficient quantity can be harmful or fatal to an organism

lantana (noun)	poisonous plant (noun)
a genus of about 150 species of flowering shrub, commonly known as shrub verbenas or lantanas	a plant that when touched or ingested in sufficient quantity can be harmful or fatal to an organism