jumby bean vs necklace tree

jumby bean and necklace tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
jumby bean	Yes	No	No	No
necklace tree	Yes	No	No	No

As nouns, necklace tree is a hypernym of jumby bean; that is, necklace tree is a word with a broader meaning than jumby bean:

jumby bean: small tree of West Indies and northeastern Venezuela having large oblong pointed leaflets and panicles of purple flowers; seeds are black or scarlet with black spots
necklace tree: a tree of the genus Ormosia having seeds used as beads

jumby bean (noun)	necklace tree (noun)
small tree of West Indies and northeastern Venezuela having large oblong pointed leaflets and panicles of purple flowers; seeds are black or scarlet with black spots	a tree of the genus Ormosia having seeds used as beads