Aletris aurea vs unicorn root

Aletris aurea and unicorn root both are nouns.

Word	Noun	Adjective	Verb	Adverb
Aletris aurea	Yes	No	No	No
unicorn root	Yes	No	No	No

As nouns, unicorn root is a hypernym of Aletris aurea; that is, unicorn root is a word with a broader meaning than Aletris aurea:

Aletris aurea: colicroot with yellow-bracted racemose flowers; smaller than Aletris farinosa; southeastern United States
unicorn root: any of several perennials of the genus Aletris having grasslike leaves and bitter roots reputed to cure colic

Other hypernyms of Aletris aurea include colic root, colicroot, crow corn, star grass.

Aletris aurea (noun)	unicorn root (noun)
colicroot with yellow-bracted racemose flowers; smaller than Aletris farinosa; southeastern United States	any of several perennials of the genus Aletris having grasslike leaves and bitter roots reputed to cure colic