Heuchera cylindrica vs alumroot

Heuchera cylindrica and alumroot both are nouns.

Word	Noun	Adjective	Verb	Adverb
Heuchera cylindrica	Yes	No	No	No
alumroot	Yes	No	No	No

As nouns, alumroot is a hypernym of Heuchera cylindrica; that is, alumroot is a word with a broader meaning than Heuchera cylindrica:

Heuchera cylindrica: plant with leathery heart-shaped leaf blades clustered at base of long stalks with greenish-white flowers clustered along the upper part; western North America
alumroot: any of several herbs of the genus Heuchera

Other hypernyms of Heuchera cylindrica include alumbloom.

Heuchera cylindrica (noun)	alumroot (noun)
plant with leathery heart-shaped leaf blades clustered at base of long stalks with greenish-white flowers clustered along the upper part; western North America	any of several herbs of the genus Heuchera