jumby tree vs necklace tree

jumby tree and necklace tree both are nouns.

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

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

jumby tree: 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 tree (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