Althea officinalis vs althea

Althea officinalis and althea both are nouns.

Word	Noun	Adjective	Verb	Adverb
Althea officinalis	Yes	No	No	No
althea	Yes	No	No	No

As nouns, althea is a hypernym of Althea officinalis; that is, althea is a word with a broader meaning than Althea officinalis:

Althea officinalis: European perennial plant naturalized in United States having triangular ovate leaves and lilac-pink flowers
althea: any of various plants of the genus Althaea; similar to but having smaller flowers than genus Alcea

Other hypernyms of Althea officinalis include althaea, hollyhock.

Althea officinalis (noun)	althea (noun)
European perennial plant naturalized in United States having triangular ovate leaves and lilac-pink flowers	any of various plants of the genus Althaea; similar to but having smaller flowers than genus Alcea