asclepiad vs herbaceous plant

asclepiad and herbaceous plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
asclepiad	Yes	No	No	No
herbaceous plant	Yes	No	No	No

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

asclepiad: any plant of the family Asclepiadaceae
herbaceous plant: a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests

Other hypernyms of asclepiad include herb.

asclepiad (noun)	herbaceous plant (noun)
any plant of the family Asclepiadaceae	a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests