Gentiana is the same as Gentiana. It is a perennial herb with a height of about 30-60cm. The rhizome is lying on the ground, some of them are upright, the fibrous roots are slightly fleshy and thick. The flowers are solitary, yellow green or purplish red, empty in the middle, almost round, with ribs on them. The leaves in the middle and upper parts are lanceolate, with dark green surface and light green back, with obvious veins and no petioles. The part of medicine is dry rhizome, which has many curative effects.
1. Seeds: its seeds are very small, and can be sown in a suitable substrate. In the environment of 25 ℃, it can germinate in about 7 days, and grow slowly in the seedling stage.
2. Cutting: before flower bud differentiation, cut the adult branches, remove the leaves below, insert them into the seedbed, and pour sufficient water to ensure the temperature is 18-28 ℃, and take root in about 3 weeks.
3. Root splitting: dig out the underground rhizome in autumn, pay attention not to damage the bud, bury the fibrous root in the soil together, and new plants will grow in the next year.