The Turnera Ulmifolia L. Flower Stock Image

Turnera ulmifolia L. is the root or whole grass of the clock flower family, an evergreen shrub or semi shrub. The plant height is about 60-90cm, with alternate leaves that are long ovate, with teeth at the edges, and a pair of obvious glands at the base of the leaves The flowers bloom at the leaf axils at the end of the branches, with a golden crown and 5 petals. The flowering period is in spring and summer, and the fruiting period is in summer and autumn. Turnera ulmifolia L. opens in the morning and closes at night in a regular manner, hence its name "Clock Flower".