This weed has stems which are arranged radially and have arrow shaped leaves arranged on them . The leaves are all pointing out wards. Description: Dandelion leaves have a jagged edge, grow close to the ground, and are seldom more than 20 centimeters long. Its flowers are bright yellow. There are several dandelion species. Habitat and Distribution: Dandelions grow in open, sunny locations throughout the Northern Hemisphere. Edible Parts: All parts are edible. Eat the leaves raw or cooked. Boil the roots as a vegetable. Roots roasted and ground are a good coffee substitute. Dandelions are high in vitamins A and C and in calcium. Other Uses: Use the white juice in the flower stems as glue.