What does the word Zhiwei mean in the dictionary?

Zhi zhǐ

[White ~] Perennial herb with thick roots; The stems and leaves have fine hairs, white flowers in summer, oval fruits and roots that can be used as medicine. Also known as "Pi Zhi".

Wei

1. [Purple ~] A. Small deciduous trees with purplish red or white flowers and spherical capsules for viewing; B.the flowers of this plant are called "full house red".

2. An annual or biennial herb with edible pods containing five or six seeds. Young stems and leaves can be used as vegetables. Commonly known as "nest vegetables", "big nest vegetables" and "wild peas".

(Note: Is it Wei Zi's fault? )