Asclepias tuberosa vs butterfly weed

Asclepias tuberosa and butterfly weed both are nouns.

Word	Noun	Adjective	Verb	Adverb
Asclepias tuberosa	Yes	No	No	No
butterfly weed	Yes	No	No	No

As nouns, Asclepias tuberosa and butterfly weed are synonyms defined as:

Asclepias tuberosa and butterfly weed: erect perennial of eastern and southern United States having showy orange flowers

Other synonyms of Asclepias tuberosa include chigger flower, chiggerflower, Indian paintbrush, orange milkweed, pleurisy root, tuber root.

Asclepias tuberosa (noun)	butterfly weed (noun)
erect perennial of eastern and southern United States having showy orange flowers	erect perennial of eastern and southern United States having showy orange flowers