1, form and taste: the shape of the dragon's teeth cabbage is unique, the whole leaf like a handful of green melon seeds, the center is slightly convex outward, like the incisors of the saber-toothed tiger, so it is called the dragon's teeth cabbage. In terms of taste, the leafy part of dragon's tooth cabbage is longer, greener in color, and without stem filaments, which makes it crunchier and sweeter in taste. The cabbage is white in color, has stem filaments and has a lighter taste.

2, planting conditions and nutritional value: Longtooth cabbage is summer and fall planting, prefer sunny, suitable temperature and high humidity environment. Cabbage is more suitable for planting in cold environments, and requires sufficient water and fertilizer. In terms of nutritional value, Longya cabbage is rich in vitamin C, carotene and other nutrients, for the spleen and stomach cold, qi and blood deficiency of the crowd has a certain effect of nourishment. And cabbage has a certain effect in lowering cholesterol and preventing cardiovascular disease.

3, the dragon's tooth vegetable is also known as immortal crane grass, wolf's tooth grass, melon incense grass, yellow dragon tail, gold top dragon's tooth, the old crane mouth, hairy feet, Yin, off the force of grass, yellow cow tail. Mainly distributed in the Yangtze River basin in Anhui, Sichuan, Yunnan, Guizhou, Hunan and other provinces, born on barren slopes, forests, meadows, roadsides, water. Cabbage is a biennial herb in the Brassica genus of the Cruciferae family. The stem is short, bearing many leaves; the basal leaves are obovate-oblong to broadly obovate.