Photographs: Co. Cork and Co. Dublin

Horse-radish Armoracia rusticana Meacan ragaim Family: Brassicaceae Flowering: May-June. Perennial. Introduced. Panicles of small white flowers but flowering can be infrequent and seed rarely ripens. The large long-stalked basal leaves are toothed, oblong and erect. Stem leaves are small, sometimes lobed and with short stalks. A robust hairless plant spreading by fragments from the long, parsnip-like taproot. Height To 1.5m. An occasional garden escape on waste ground, roadsides, dunes and seashores. Scattered distribution in Ireland

Horse-radish, Armoracia rusticana, Meacan ragaim
Photographs: Co. Cork and flowering Co. Dublin (© Patrick Slavin)