Irish wildflowers BSBI map

White Mustard, Sinapis alba, Sceallagach
Photographs: Ardmore, Co. Waterford

White Mustard
Sinapis alba
Sceallagach
Family: Brassicaceae

Flowering May-August. Annual. Introduced.

The pale yellow flowers are followed by fruit with stiff white hairs and a flattened beak as long as the pod. All leaves are stalked and the lower leaves are deeply pinnate-lobed. Height to over 1m

Most frequent in south and south-east Ireland on waste ground, roadsides, field edges and coastal shingle. Still grown as a crop and also for green manure. Prefers calcareous soils. Identified by Paul Green, BSBI

Similar: Charlock, Sinapis arvensis

White Mustard, Sinapis alba, Sceallagach

White Mustard, Sinapis alba, Sceallagach
White Mustard, Sinapis alba, Sceallagach

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