What kind of plant is Bauhinia Bauhinia?

Purple golden vine, also known as: Schisandra chinensis, Fragrant Su, Honglingzi. The fruit of purple vine. Plant form: deciduous woody vine. The branches are slender, reddish brown, and have lenticels. Leaves are elliptical, obovate or ovate-lanceolate.

The area where purple vine grows is in the deep mountains and ravines in southwest China, Yunnan, Guizhou, and Xikang. The purple vine grows in the barren mountains and rivers, growing close to the cliffs. It grows very slowly. Every year, it only grows about the length of a finger, which is about one centimeter. Because it grows for a long time, the wood is strong and as hard as hard iron.