harpullia vs tulipwood tree

harpullia and tulipwood tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
harpullia	Yes	No	No	No
tulipwood tree	Yes	No	No	No

As nouns, tulipwood tree is a hypernym of harpullia; that is, tulipwood tree is a word with a broader meaning than harpullia:

harpullia: any of various tree of the genus Harpullia
tulipwood tree: any of various trees yielding variously colored woods similar to true tulipwood

harpullia (noun)	tulipwood tree (noun)
any of various tree of the genus Harpullia	any of various trees yielding variously colored woods similar to true tulipwood