aralia vs woody plant

aralia and woody plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
aralia	Yes	No	No	No
woody plant	Yes	No	No	No

As nouns, woody plant is a hypernym of aralia; that is, woody plant is a word with a broader meaning than aralia:

aralia: any of various plants of the genus Aralia; often aromatic plants having compound leaves and small umbellate flowers
woody plant: a plant having hard lignified tissues or woody parts especially stems

Other hypernyms of aralia include ligneous plant.

aralia (noun)	woody plant (noun)
any of various plants of the genus Aralia; often aromatic plants having compound leaves and small umbellate flowers	a plant having hard lignified tissues or woody parts especially stems