vanda vs orchidaceous plant

vanda and orchidaceous plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
vanda	Yes	No	No	No
orchidaceous plant	Yes	No	No	No

As nouns, orchidaceous plant is a hypernym of vanda; that is, orchidaceous plant is a word with a broader meaning than vanda:

vanda: any of numerous showy orchids of the genus Vanda having many large flowers in loose racemes
orchidaceous plant: any of numerous plants of the orchid family usually having flowers of unusual shapes and beautiful colors

Other hypernyms of vanda include orchid.

vanda (noun)	orchidaceous plant (noun)
any of numerous showy orchids of the genus Vanda having many large flowers in loose racemes	any of numerous plants of the orchid family usually having flowers of unusual shapes and beautiful colors