Irish wildflowers BSBI map

Hoary Mustard, Hirschfeldia incana, Mustard liath
Photographs: Foynes, Co. Limerick

Hoary Mustard
Hirschfeldia incana
Mustard liath
Family: Brassicaceae

Flowering: May-October. Annual or short-lived perennial. Introduced.

Long racemes of pale-yellow flowers that over-top the buds. Erect, adpressed fruit with a swollen beak. One seed in beak. Coarse-toothed, grey-green leaves are deeply pinnate lobed, terminal lobe largest. Stem leaves are narrow-lanceolate. Leaves usually hairless above and downy underneath. Stems white-pubescent below with stiff short hairs. To 1.2m

Established in Dublin, a rare casual elsewhere in Ireland on dry waste ground, roadsides and in urban areas

Hoary Mustard, Hirschfeldia incana, Mustard liath

Hoary Mustard, Hirschfeldia incana, Mustard liath

Hoary Mustard, Hirschfeldia incana, Mustard liath
Hoary Mustard, Hirschfeldia incana, Mustard liath

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