He Huan Pi, Albizia (Albizzia Julibrissin) is a deciduous species belonging to the genus of trees and shrubs. The height of the plant averages 6–9 meters, but individual specimens can reach 12 or even 30 meters. The leaves are light green above, bluish below. Under adverse weather conditions and at night, the leaves are folded along the middle vein, after which the entire leaf wilts. Albizia Julibrissin flowers are collected in large fragrant paniculate inflorescences with five-beam symmetry. Albizia blooms from mid-June (July-August, depending on the climate), sometimes flowering continues until September-October. The leaves remain green for a long time and fall off only after the onset of cold weather. The fruit of Albizia is a flat, oblong, multi-seeded bean, up to 20 cm long.