African oil palm vs oil palm

African oil palm and oil palm both are nouns.

Word	Noun	Adjective	Verb	Adverb
African oil palm	Yes	No	No	No
oil palm	Yes	No	No	No

As nouns, oil palm is a hypernym of African oil palm; that is, oil palm is a word with a broader meaning than African oil palm:

African oil palm: oil palm of Africa
oil palm: pinnate-leaved palms of the genus Elaeis having dense clusters of crowded flowers and bright red fruit and yielding high quality palm oils

African oil palm (noun)	oil palm (noun)
oil palm of Africa	pinnate-leaved palms of the genus Elaeis having dense clusters of crowded flowers and bright red fruit and yielding high quality palm oils