Aeonium haworthii vs subshrub

Aeonium haworthii and subshrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
Aeonium haworthii	Yes	No	No	No
subshrub	Yes	No	No	No

As nouns, subshrub is a hypernym of Aeonium haworthii; that is, subshrub is a word with a broader meaning than Aeonium haworthii:

Aeonium haworthii: perennial subshrub of Tenerife having leaves in rosettes resembling pinwheels
subshrub: low-growing woody shrub or perennial with woody base

Other hypernyms of Aeonium haworthii include suffrutex.

Aeonium haworthii (noun)	subshrub (noun)
perennial subshrub of Tenerife having leaves in rosettes resembling pinwheels	low-growing woody shrub or perennial with woody base