Lobelia inflata vs lobelia

Lobelia inflata and lobelia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lobelia inflata	Yes	No	No	No
lobelia	Yes	No	No	No

As nouns, lobelia is a hypernym of Lobelia inflata; that is, lobelia is a word with a broader meaning than Lobelia inflata:

Lobelia inflata: North American wild lobelia having small blue flowers and inflated capsules formerly used as an antispasmodic
lobelia: any plant or flower of the genus Lobelia

Lobelia inflata (noun)	lobelia (noun)
North American wild lobelia having small blue flowers and inflated capsules formerly used as an antispasmodic	any plant or flower of the genus Lobelia