Botanical name: Sida yunnanensis Family: Malvaceae (Mallow family)
Chinese Fan-Petals is a perennial herb or undershrub, with velvety stem 0.5-1.5 m tall. Leaves are very variable in shape and size. Stipules are 5-8 mm long, threadlike. Leaf-stalks are 4-10 mm long. Leaves are narrow to broad elliptic, oblong-elliptic, rhomboid or obovate, 1-6.5 cm long, 0.6-5 cm broad, lower surface cinereous, velvety, upper surface green, hairless, toothed, tip pointed to blunt, base wedge-shaped or blunt. Flowers are borne in leaf axils, mostly in fascicles in terminal branches. Flower-stalks are 4-6 mm long, in fruit about 1 cm, jointed in the middle or slightly above. Sepal-cup is 4-6 mm long, sepals fused slightly above the middle, triangular, long-pointed, carinate at base. Flowers are 1 cm across, yellow, petals slightly longer than sepals, about 4 mm broad, obovate, margins sparsely hairy at base. Stamen tube is about 3 mm long, sparsely hairy. Carpels are 5. Fruit is depressed, round, 4-5 mm across, densely velvety on the upper half. Chinese Fan-Petals is found in Burma, China, India and Pakistan. September-December.
Identification credit: Gurcharan Singh
The flower labeled Chinese Fan-Petals is ...