Guava tree scientific name is Psidium guajava L. Guava is native to tropical America, is now grown in many places. Through the process of planting and selecting varieties, guava varieties are now v...
Watermelon has a scientific name of Citrullus lanatus, is a member of the Cucurbitaceae family, has high nutritional and commercial value. Watermelon plants are native to Africa. In Vietnam, the ar...