huntsman's horns vs yellow trumpet

huntsman's horns and yellow trumpet both are nouns.

Word	Noun	Adjective	Verb	Adverb
huntsman's horns	Yes	No	No	No
yellow trumpet	Yes	No	No	No

As nouns, huntsman's horns and yellow trumpet are synonyms defined as:

huntsman's horns and yellow trumpet: pitcher plant of southeastern United States having erect yellow trumpet-shaped pitchers with wide mouths and erect lids

Other synonyms of huntsman's horns include huntsman's horn, Sarracenia flava, trumpets, yellow pitcher plant.

huntsman's horns (noun)	yellow trumpet (noun)
pitcher plant of southeastern United States having erect yellow trumpet-shaped pitchers with wide mouths and erect lids	pitcher plant of southeastern United States having erect yellow trumpet-shaped pitchers with wide mouths and erect lids