vascular bundle vs fibrovascular bundle

vascular bundle and fibrovascular bundle both are nouns.

Word	Noun	Adjective	Verb	Adverb
vascular bundle	Yes	No	No	No
fibrovascular bundle	Yes	No	No	No

As nouns, vascular bundle and fibrovascular bundle are synonyms defined as:

vascular bundle and fibrovascular bundle: a unit strand of the vascular system in stems and leaves of higher plants consisting essentially of xylem and phloem

Other synonyms of vascular bundle include vascular strand.

vascular bundle (noun)	fibrovascular bundle (noun)
a unit strand of the vascular system in stems and leaves of higher plants consisting essentially of xylem and phloem	a unit strand of the vascular system in stems and leaves of higher plants consisting essentially of xylem and phloem