Irish wildflowers sitemap

Field Penny-cress, Thlaspi arvense
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, Thlaspi arvense      

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

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