oxalis vs herbaceous plant

oxalis and herbaceous plant both are nouns.

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

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

oxalis: any plant or flower of the genus Oxalis
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 oxalis include herb.

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