Wood Sorrel

Oxalis acetosella

Common & widespread around Britain.

The flowers have five petals, which are usually fused at the base, and ten stamens.

The petal colour varies from white to pink, red or yellow; anthocyanins and xanthophylls may be present or absent but are generally not both present together in significant quantities, meaning that few wood-sorrels have bright orange flowers.

The fruit is a small capsule containing several seeds.

The roots are often tuberous and succulent, and several species also reproduce vegetatively by production of bulbils, which detach to produce new plants.

Flowers from April-May.