wild ginger vs herbaceous plant

wild ginger and herbaceous plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
wild ginger	Yes	No	No	No
herbaceous plant	Yes	No	No	No

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

wild ginger: low-growing perennial herb with pungent gingery leaves and rhizomes
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 wild ginger include herb.

wild ginger (noun)	herbaceous plant (noun)
low-growing perennial herb with pungent gingery leaves and rhizomes	a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests