Oxalidaceae or the wood sorrel family is made up of about 6 genera and more than 770 species. Their distribution is in the warmer parts of Africa, but they are also found in the Americas and Asia and even in Europe. Although there are small trees and shrubs, they are mostly herbaceous plants with tubers or bulbs. They contain oxalates. Most of the species are found in the genus Oxalis which is the only genus with a wiki page. Leaves are often pinnately or palmately compound. Flowers and leaves often close in darkness or cold. Flowers have 5 sepals and 5 petals and a superior ovary.