Capsicum annuum L. (Latin name: Capsicum annuum L., alias: Capsicum annuum L.) is a herb of Capsicum in Solanaceae. It is native to Mexico and Colombia, and is widely cultivated all over the world.
Its stem is nearly hairless or puberulent, leaves alternate, and the top nodes of branches are not elongated to form twins or clusters, which are oblong, oval or ovate-lanceolate, with short tapering or acute tips; The base is narrowly wedge-shaped, the flowers are solitary, the calyx is cup-shaped, the corolla is white, the anther is gray-purple, the fruit stalk is thick, the fruit has long fingers, and the seeds are flat kidney-shaped and pale yellow. Pepper has strict requirements on conditional moisture. Neither drought nor waterlogging tolerance, like dry air conditions.