味甘．入足太阴少阴经．功专软骨．得茯苓治水气臌胀．研末涂身面石疽．水浸取沉香．酒蒸用．皮治水肿气满尤捷．以汁和白芨飞面．调和接纸．永不解脱．叶甘凉．祛湿热．治老少下痢瘴痢．为末．白痢姜汤下．赤痢沙糖汤下．一名谷实．