baobab vs angiospermous tree

baobab and angiospermous tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
baobab	Yes	No	No	No
angiospermous tree	Yes	No	No	No

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

baobab: African tree having an exceedingly thick trunk and fruit that resembles a gourd and has an edible pulp called monkey bread
angiospermous tree: any tree having seeds and ovules contained in the ovary

Other hypernyms of baobab include flowering tree.

baobab (noun)	angiospermous tree (noun)
African tree having an exceedingly thick trunk and fruit that resembles a gourd and has an edible pulp called monkey bread	any tree having seeds and ovules contained in the ovary