Reseda odorata vs reseda

Reseda odorata and reseda both are nouns.

Word	Noun	Adjective	Verb	Adverb
Reseda odorata	Yes	No	No	No
reseda	Yes	No	No	No

As nouns, reseda is a hypernym of Reseda odorata; that is, reseda is a word with a broader meaning than Reseda odorata:

Reseda odorata: Mediterranean woody annual widely cultivated for its dense terminal spikelike clusters greenish or yellowish white flowers having an intense spicy fragrance
reseda: any plant of the genus Reseda

Reseda odorata (noun)	reseda (noun)
Mediterranean woody annual widely cultivated for its dense terminal spikelike clusters greenish or yellowish white flowers having an intense spicy fragrance	any plant of the genus Reseda