bog hemp vs ramie

bog hemp and ramie both are nouns.

Word	Noun	Adjective	Verb	Adverb
bog hemp	Yes	No	No	No
ramie	Yes	No	No	No

As nouns, ramie is a hyponym of bog hemp; that is, ramie is a word with a more specific, narrower meaning than bog hemp:

bog hemp: any of several flowering weeds of the genus Boehmeria lacking stinging hairs
ramie: tall perennial herb of tropical Asia with dark green leaves; cultivated for the fiber from its woody stems that resembles flax

Other hyponyms of bog hemp include Boehmeria nivea, China grass, Chinese silk plant, ramee.

bog hemp (noun)	ramie (noun)
any of several flowering weeds of the genus Boehmeria lacking stinging hairs	tall perennial herb of tropical Asia with dark green leaves; cultivated for the fiber from its woody stems that resembles flax