蓖麻籽 Traditional form: 蓖麻籽 Pinyin (reading): bìmázǐ Definitions: castor beans Characters: 蓖 - the castor-oil plant; Ricinus commumis 麻 - hemp, flax, sesame; numb 籽 - seed, pit, pip Traditional characters: 蓖 - the castor-oil plant; Ricinus commumis 麻 - hemp, flax, sesame; numb 籽 - seed, pit, pip