Catharanthus roseus is a subshrub of Oleaceae and Catharanthus, which can grow for many years. It has many nicknames, also called yantouhong, 30000 flowers, calendula, four seasons of spring and new day. It has little similarity with the latter and can be distinguished. Note that it is toxic, do not eat by mistake, otherwise it will lead to poisoning.
Impatiens is a plant of the family Narcissus and the genus Impatiens. It is an annual herb. It is also called golden Impatiens, peach, henna, acuteness, daughter flower, etc. flowers and leaves can be used to dye nails.
The shape of Changchun flower's leaf is oblong, which is relatively small. Its length is about 3-4cm, and its width is about 1.5-2.5cm.
The leaf shape of Impatiens is lanceolate and narrow elliptic, which is larger than the former, with a length of about 4-12cm and a width of about 1.5-3cm.
The petals of Changchun flower are only single, there is a gap between petals, the color of corolla is generally red, there are other colors, the shape is high foot saucer
The petals of Impatiens not only have single petals, but also have double petals. The petals have a small space with petals. There are many colors of flowers, such as white, purple, pink, etc.
