Home Herbs Index P Pista (Pistacia vera) (Pistachio Nut) AllABCDEFGHIJKLMNOPQRSTUVWXYZ Pista (Pistacia vera) (Pistachio Nut) Pharmacological action: Cardiac, cerebral and sexual tonic, expectorant. Medicinal use: Effective in mental and physical weakness, nourishes body and relieves cough, kidney pain, vomiting.