Apocynum venetum is an evergreen foliage plant of Apocynaceae. Its leaf margin is wavy, densely covered with fine hair, which feels very comfortable and looks like feathers, hence the name "Apocynum venetum".
It has a "sleep movement", that is, leaves open during the day and close at night, which is very strange. Its principle is that there is an obviously enlarged joint between the leaf and the petiole, called "leaf pillow", which contains water storage cells and has the function of adjusting the direction of the leaf. Arundo donax is native to the tropical rain forest in South America. Suitable for indoor potted plants and garden planting. Like semi-cloudy environment, avoid sun exposure, too strong sun will burn leaves; It can't be too light, otherwise it will cause the leaves to become thin and dim, and lose the fresh beauty. Get more sunshine in winter. Not resistant to high temperature or cold. Summer should be shaded, ventilated and sprayed with water to cool down; Wintering indoors. It can be propagated by ramets.