A poisonous Eurasian plant(Hyoscyamus niger)having an unpleasant odor, sticky leaves, and funnel - shaped greenish - yellow flowers.It is a source of the drug hyoscamine.

• 天仙子，莨菪一种有毒的（天仙子天仙子属）欧亚植物，气味难闻，有粘性叶子，黄绿色花朵呈漏斗状。它是药物东莨菪硷的原料