蓖麻是属于无瓣花类的大戟科蓖麻属,原为多年生的热带木本植物。学名Ricinus communis或Palmachristi。在亚、非、美三洲的热带地,蓖麻可說是野生的植物,树大成林,高可达10—15米。在亚热带地区,仍是多年生的木本,再向北行,到达溫带各区,蓖麻即成为单年生的草本植物。蓖麻的种子——蓖麻籽,經去皮后冷榨或热榨或 Castor belongs to the non-petal Euphorbiaceae castor, formerly a perennial tropical woody plant. Scientific name Ricinus communis or Palmachristi. Castor can be said to be a wild plant in the tropics of Asia, Africa and the United States, with trees growing up to 10-15 meters. In the subtropical region, perennial woody is still, and then northbound, reach the temperate zone, castor bean is a single year-old herb. Castor seeds - castor beans, after cold-pressed or hot-pressed or peeled