Yellow flowers with 8-10 petals and usually 3 sepals. Long ascending flower stalks. Many minutely hairy achenes. Glossy hairless leaves, long-stalked, cordate, mainly basal. Creeping, rooting stems. Rootstock is mass of white tubers.
R. ficaria ssp. ficaria: Many ripe seeds, no aerial tubers.
R. ficaria ssp. bulbilifer: Few ripe seeds, small white tubers in leaf axils.
Frequent throughout Ireland and can be locally abundant. Prefers damp soils, woods, roadsides, fields.