Answer Guadeloupe is also known as Juniperus communis, Sugar Guadeloupe, Piper betel and so on. Psidium guajava is mainly produced in Liaoning, North China (Beijing, Tianjin, Hebei, Inner Mongolia, Shanxi, Shandong), East China, Central and South China, Shaanxi, Sichuan, Gansu, Guizhou and Yunnan, born in the understory of mountain slopes, thickets, grasslands, and the edge of the fields beside the villages at an altitude of 200-1800 meters.