Botanical Overview Ziziphus jujuba var. spinosa (Semen) belongs to the family Rhamnaceae. The medicinally used part is the seed, commonly known as Suan Zao Ren, Sour Jujube Seed, or Spiny Jujube Seed. Native to East Asia, particularly China and Korea, this herb has been predominantly used in Traditional Chinese Medicine. Energetics The seed is considered…