A Purple Flowering Vine: Anagram of “i Saw Teri”

Puzzle 2 of Prestigious Universities Medium Pack

Question is: A Purple Flowering Vine: Anagram of “i Saw Teri”

and the answer is: WISTERIA

Word Meaning:

WISTERIA — Any of several woody climbing vines, of the genus Wisteria, native to the East Asian countries of China, Korea, and Japan and the eastern United States.

Definitions from Wiktionary.