South American shrub or small tree (Nicotiana glauca) naturalized in the United States and having yellow flowers and thick, rubbery, oval or lance-shaped leaves.

• 树状烟草：一种南美灌木或小乔木，拉了名为（光烟叶烟草属），已在美国引进种植，开黄色花朵，生有橡胶状椭圆形或长条形叶子