Irish wildflowers BSBI map

Greater Spearwort, Ranunculus lingua, Glasair léana mhór
Photographs: Durrus area, Co. Cork

Greater Spearwort
Ranunculus lingua
Glasair léana mhór
Family: Ranunculaceae

Flowering time: June-August. Perennial. Native.

Large bright-yellow flowers (2 x buttercup size) on un-furrowed stalks. The narrow-lanceolate leaves are slightly toothed and hairless. A tall, stout plant that spreads by underground stolons. Height 60-120cm.

Prefers base-rich still or slow water in fens, marshes, canals and reed-beds. Most frequent in central Ireland.

Similar: Lesser Spearwort, R. flammula is smaller and more slender

Greater Spearwort, Ranunculus lingua, Glasair léana mhór

Greater Spearwort, Ranunculus lingua, Glasair léana mhór
Greater Spearwort, Ranunculus lingua, Glasair léana mhór

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