bonsai vs ming tree

bonsai and ming tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
bonsai	Yes	No	No	No
ming tree	Yes	No	No	No

As nouns, ming tree is a hyponym of bonsai; that is, ming tree is a word with a more specific, narrower meaning than bonsai:

bonsai: a dwarfed ornamental tree or shrub grown in a tray or shallow pot
ming tree: a dwarfed evergreen conifer or shrub shaped to have flat-topped asymmetrical branches and grown in a container

bonsai (noun)	ming tree (noun)
a dwarfed ornamental tree or shrub grown in a tray or shallow pot	a dwarfed evergreen conifer or shrub shaped to have flat-topped asymmetrical branches and grown in a container
	an artificial plant resembling a bonsai