Rauvolfia tetraphylla
 Rauvolfia tetraphylla is a plant in the Apocynaceae family growing as a bush or small tree. It is commonly known as the devil-pepper or Be still tree. The plant is native to the tropical Americas. It has been cultivated widely as both an ornamental and as a source of pharmaceuticals and is now naturalised throughout the tropics including Australasia Indochina and India.