gemma vs reproductive structure

gemma and reproductive structure both are nouns.

Word	Noun	Adjective	Verb	Adverb
gemma	Yes	No	No	No
reproductive structure	Yes	No	No	No

As nouns, reproductive structure is a hypernym of gemma; that is, reproductive structure is a word with a broader meaning than gemma:

gemma: small asexual reproductive structure in e.g. liverworts and mosses that detaches from the parent and develops into a new individual
reproductive structure: the parts of a plant involved in its reproduction

gemma (noun)	reproductive structure (noun)
small asexual reproductive structure in e.g. liverworts and mosses that detaches from the parent and develops into a new individual	the parts of a plant involved in its reproduction