|O. violacea has brown scaly bulb and palmate leaves and flowers of rosy purple in umbels of 3 to 10 on a 6 inch stem.
Oxalidaceae is a genus of about 800 species. Many are tuberous, the leaves are usually three-lobed and clover-like. Both the leaves and flowers close up in dull weather and at night. May be used about the rock garden, planted in sunny corners or in a trough.