Photographs: Bantry, Co. Cork

Purple-leaved Yellow-sorrel Oxalis corniculata var. atropurpurea Family: Oxalidaceae Flowering: May-October. Annual / short-lived perennial. Umbels of 1-7 small yellow flowers with 5 petals are followed by hairy seed capsules. Alternate trifoliate leaves are dark red-purple or purplish-green on brittle scrambling or creeping stems that root at the nodes. An urban weed found on wasteground and paths and in gardens and greenhouses. Similar: Procumbent Yellow-sorrel, Oxalis corniculata

Purple-leaved Yellow-sorrel, Oxalis corniculata var atropurpurea