orange-blossom orchid vs orchid

orange-blossom orchid and orchid both are nouns.

Word	Noun	Adjective	Verb	Adverb
orange-blossom orchid	Yes	No	No	No
orchid	Yes	No	No	No

As nouns, orchid is a hypernym of orange-blossom orchid; that is, orchid is a word with a broader meaning than orange-blossom orchid:

orange-blossom orchid: diminutive Australian orchid with loose racemes of fragrant white flowers with purple and orange markings on the lip
orchid: any of numerous plants of the orchid family usually having flowers of unusual shapes and beautiful colors

Other hypernyms of orange-blossom orchid include orchidaceous plant.

orange-blossom orchid (noun)	orchid (noun)
diminutive Australian orchid with loose racemes of fragrant white flowers with purple and orange markings on the lip	any of numerous plants of the orchid family usually having flowers of unusual shapes and beautiful colors