A chiefly Mediterranean annual plant(Ammi magus) in the parsley family, grown as a source of psoralens used in medicine and as an ornamental for its compound umbels of small white flowers. 羊角芹:地中海的一种伞形科一年生植物(大阿米芹阿米芹属) ,在医学中作为补骨脂素的来源,其小白花的复合伞形花序被作为观赏植物