These seeds were collected from Cassia auriculata, also known as Senna auriculata, matura tea tree, avaram, ranawara , and avaram senna. These attractive bright yellow flowers are pollenated by bees, and can be used to make yellow dye. and the bark can be used to make a black dye. Fiber from the inner bark can be used to make rope. The branches were used to make wootz Damascus steel. USDA Hardiness Zones 10 to 12.