Irish wildflowers BSBI map

Upright Yellow-sorrel, Oxalis stricta, Seamsóg ghallda
Photographs: Castletownsend, Co. Cork

Upright Yellow-sorrel
Oxalis stricta
Seamsóg ghallda
Family: Oxalidaceae

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

Umbels of 2-5 yellow flowers followed by seeds without white patches. Self-pollinating and seeds freely. Flower stalks are erect when fruiting. The tri-foliate leaves have heart-shaped leaflets, sometimes purple-tinged. Stems not rooting at nodes but has slender underground stolons.

An introduced garden weed and occasional garden escape that is usually casual but can be persistent. Most frequent in Northern Ireland.

Upright Yellow-sorrel, Oxalis stricta, Seamsóg ghallda

Upright Yellow-sorrel, Oxalis stricta, Seamsóg ghallda
Upright Yellow-sorrel, Oxalis stricta, Seamsóg ghallda

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