What flower Xiaoxiao's petals are white or plastic?

Does the subject want to ask "What flower has small petals as white as plastic"? Catharanthus roseus According to the inquiry of Agriculture and Forestry Bureau, white Catharanthus roseus is a variety of Catharanthus roseus, which is characterized by white flowers and plastic petals, so the small petals are white like plastic and white Catharanthus roseus. Catharanthus roseus is a perennial erect herb with short petiole, and its flowering period is from June to September, and it is distributed in Guangdong, Guangxi, Hubei, Chinese mainland and other places.