The classic green tea from Zhejiang province, china. As the name implies, gunpowder tea is made up of leaves hand-rolled into tiny pellets. It is believed to take its English name from the fact that the tea resembles grains of black powder. Gunpowder tea production dates back to the tang dynasty 618–907. It was first introduced to Taiwan in the 19th century. Gunpowder tea leaves are withered, steamed, rolled, and then dried.