laelia vs orchidaceous plant

laelia and orchidaceous plant both are nouns.

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

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

laelia: any of various spectacular plants of the genus Laelia having showy flowers in many colors
orchidaceous plant: any of numerous plants of the orchid family usually having flowers of unusual shapes and beautiful colors

Other hypernyms of laelia include orchid.

laelia (noun)	orchidaceous plant (noun)
any of various spectacular plants of the genus Laelia having showy flowers in many colors	any of numerous plants of the orchid family usually having flowers of unusual shapes and beautiful colors