Photos: Foynes, Co.Limerick

Field Penny-cress Thlaspi arvense Praiseach fhia Family: Brassicaceae Flowering May-October. Annual. Introduced. Small white flowers, 4-petalled. Followed by round, flat fruit with deep-notched wing. Oblong leaves, slightly lobed or toothed. Upper leaves stalkless, clasping stem. Strong, foetid smell when crushed. Hairless. Height 25-60cm. Disturbed ground, roadsides, waste ground, landfill sites, ports. Fairly widespread casual in southern half of Ireland.

     



Field Penny-cress. Foynes port and roadside, County Limerick. August 2008