Bambuseae vs tribe

Bambuseae and tribe both are nouns.

Word	Noun	Adjective	Verb	Adverb
Bambuseae	Yes	No	No	No
tribe	Yes	No	No	No

As nouns, tribe is a hypernym of Bambuseae; that is, tribe is a word with a broader meaning than Bambuseae:

Bambuseae (noun)	tribe (noun)
bamboos	a social division of (usually preliterate) people
	a federation (as of American Indians)
	group of people related by blood or marriage
	(biology) a taxonomic category between a genus and a subfamily