A: Not the same. Amaranth spinosa is a unique wild vegetable in rural areas. Because it is full of thorns and its young leaves are similar to amaranth, it is named amaranth, and some people call it wild amaranth, fake amaranth and white amaranth. Amaranth had no thorns when it was a seedling. It grows thorns after flowering and fruiting, and tender stems and leaves are delicious wild vegetables, which can be made into various dishes.

Bidens bipinnata, panicum miliaceum, with erect stems and obtuse quadrangles. The lower leaves of the stem are small, rarely pinnately compound, with lobules, and the lobules on both sides are ovoid or ovoid. The head is 8-9 mm in diameter. The involucre base is pubescent, strip-shaped, spoon-shaped, and the upper part is slightly wider. No ligulate flowers, discoid flowers, 5-toothed crowns. Achene is black, strip-shaped, slightly flat, angular, with sparse tuberous protrusions and bristles on the upper part and 3-4 barbs at the top with barbed hairs. It is a common folk herb in China, which has the effects of clearing away heat and toxic materials, removing blood stasis and promoting blood circulation. It is mainly used for treating upper respiratory tract infection, sore throat, acute appendicitis, acute icteric hepatitis, gastroenteritis, rheumatic joint pain and malaria, and externally used for treating furuncle, snake bite and traumatic swelling and pain.