Sonchus? oleraceus? L.): also known as sonchus oleraceus, sonchus oleraceus, and gosling, it is an annual herb in Compositae. Annual or biennial herbs. The roots are conical, vertical and straight, and there are many fibrous fibrous fibrous roots. Stems erect and solitary. Basal leaves pinnately parted, oblong or oblanceolate. A few corymbs or racemes or solitary stems and branches are arranged closely at the top of the head. All involucral bracts are acute at the top, glabrous outside or with a few capitate stalked glandular hairs along the midvein in the upper part of the outer or middle inner layer. Many ligulate florets, yellow. Achene is brown, oblong or oblanceolate, flattened, with 3 veinlets on each side, transverse wrinkles between ribs, narrow tip, no beak, white crown hair, 7 mm long, single hair-like, intertwined with each other. Flowering and fruiting period may-December.
Born in fields, roadsides and near cottages. Its tender stems and leaves are rich in carotene, VB2 and VC, which can be eaten. The whole plant of sonchus sonchifolius is used as medicine, which has the effects of clearing away heat and toxic materials, cooling blood to stop bleeding, eliminating dampness and lowering blood pressure. Its tender stems and leaves can be eaten raw, or scalded with boiling water, then soaked in clean water to remove bitterness, and then chilled or fried. It is distributed all over the world, Europe, Asia, temperate zone and subtropical zone, and grows in areas with an altitude of 17 meters to 3,2 meters, mostly in forests, hillsides, flat fields, open places, valley forest margins or near water. (Overview picture)