Any of various creeping, semi shrubby plants of the genus vines, having thinly lying stems and small creeping plants. There are hairs on the leaf margin, petiole, calyx and corolla throat of vines.
Catharanthus roseus is a subshrub plant with branches. The plant can grow upright up to 60 cm. The whole plant is hairless or only hairy.
From the plant point of view, the biggest difference between vines and Catharanthus roseus is that they always stand on one crawl.
Vines have oval leaves, 2-6cm long and 1.5-4cm wide, sharp apex and opposite leaves.
Changchun flower leaves are membranous, obovate oblong, 3-4cm long and 1.5-2.5cm wide, with rounded apex.
In terms of leaves, the difference between vines and Catharanthus is that compared with Catharanthus, the leaves of vines are bigger and the tips are sharper. The leaves of Changchun flower are more round.
When vines bloom, the flowers are single axillary, the Corolla is blue, and the corolla tube is funnel-shaped. The color of the flowers of Changchun vines is blue and purple.
When Changchun flowers bloom, they are axillary or terminal, and generally have 2-3 flowers. The Corolla is red and the corolla tube is cylindrical. Because there are many varieties of Catharanthus roseus. The colors of flowers are also different, pink, red, white, yellow Each of them has its own characteristics and is very beautiful.
In flowers, vines and Changchun flowers have other differences, that is, their flowering period. The flowering period of Changchun vines is from March to May every year, that is to say, spring. However, the flowering period of Changchun vines is almost the whole year.
Changchun vines and Changchun flowers from the flowers, Changchun vines only open one, and blue purple flowers, flowering period is shorter. And Changchun flower is to be able to open two or three, the color is more, the flowering period is very long.
