Lycopersicon esculentum vs herb

Lycopersicon esculentum and herb both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lycopersicon esculentum	Yes	No	No	No
herb	Yes	No	No	No

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

Lycopersicon esculentum: native to South America; widely cultivated in many varieties
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 Lycopersicon esculentum include herbaceous plant.

Lycopersicon esculentum (noun)	herb (noun)
native to South America; widely cultivated in many varieties	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