Its rootstalk can be made into medicine， it is useful to strenthen the kidney and spleen.

Enhance immunoregulation, promotes metabolism;

Primulaceae Lysimachia Lysimachia christinae Hance plants dry the whole plant. Summer and autumn harvest, remove impurities, dried in the sun. Character: This often tangle into a group, glabrous or sparsely pubescent. Stem distortion, surface brown or dark brown, with longitudinal lines, sometimes on the lower internodes with fibrous roots, cross-section solid.

Cassia seeds come from the cassia, an annual plant that grows in the world's tropical zones. It is an upright-growing plant that can reach a height of more than four feet, with large, green leaves and yellow flowers. The entire plant is picked and reaped in autumn, then dried in the sun. ​The seeds threshed off the plant, and can be used either raw or after being fried. Externally,

Cassia seeds come from the cassia, an annual plant that grows in the world's tropical zones. It is an upright-growing plant that can reach a height of more than four feet, with large, green leaves and yellow flowers. The entire plant is picked and reaped in autumn, then dried in the sun. ​The seeds threshed off the plant, and can be used either raw or after being fried. Externally,

Primulaceae Lysimachia Lysimachia christinae Hance plants dry the whole plant. Summer and autumn harvest, remove impurities, dried in the sun. Character: This often tangle into a group, glabrous or sparsely pubescent. Stem distortion, surface brown or dark brown, with longitudinal lines, sometimes on the lower internodes with fibrous roots, cross-section solid.

Enhance immunoregulation, promotes metabolism;

Its rootstalk can be made into medicine， it is useful to strenthen the kidney and spleen.