gesneria vs herbaceous plant

gesneria and herbaceous plant both are nouns.

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

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

gesneria: any plant of the genus Gesneria
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 gesneria include herb.

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