Serratula tinctoria vs herb

Serratula tinctoria and herb both are nouns.

Word	Noun	Adjective	Verb	Adverb
Serratula tinctoria	Yes	No	No	No
herb	Yes	No	No	No

As nouns, herb is a hypernym of Serratula tinctoria; that is, herb is a word with a broader meaning than Serratula tinctoria:

Serratula tinctoria: European perennial whose serrate leaves yield a yellow dye
herb: a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests

Other hypernyms of Serratula tinctoria include herbaceous plant.

Serratula tinctoria (noun)	herb (noun)
European perennial whose serrate leaves yield a yellow dye	aromatic potherb used in cookery for its savory qualities
	a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests