Irish wildflowers BSBI map

Swine-cress, Lepidium coronopus, Cladhthach
Photographs: Bantry, Co. Cork

Swine-cress
Lepidium coronopus (Coronopus squamatus)
Cladhthach
Family: Brassicaceae

Flowering: June-September. Annual/biennial. Possibly introduced.

Tiny white flowers in leaf axils, the fruit pointed or rounded at top and very rough. Numerous branched, spreading stems with deeply pinnate stalked leaves. A usually hairless plant.

Mainly coastal on waste ground, trampled arable land and roadsides, rare further inland.

Similar: Lesser Swinecress, Lepidium didymum is smaller, usually hairy

Swine-cress, Lepidium coronopus, Cladhthach

Swine-cress, Lepidium coronopus, Cladhthach
Swine-cress, Lepidium coronopus (Coronopus squamatus), Cladhthach
Above left: Swinecress, right: Lesser Swinecress.

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