lotus tree vs shrub

lotus tree and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
lotus tree	Yes	No	No	No
shrub	Yes	No	No	No

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

Other hypernyms of lotus tree include bush.

lotus tree (noun)	shrub (noun)
shrubby deciduous tree of the Mediterranean region	a low woody perennial plant usually having several major stems