Description
Small, bushy, deciduous perennial (H 20-30 cm, W 25-40 cm). Leaves broadly kidney-shaped to round (6-12 cm), smooth, glossy, dark green. Flowers in loose clusters on upright stems, cup-shaped (2-3 cm), bright light yellow. Flowering period: March-May. It grows well in always moist to wet soils, also at water's edge, in sunny and half-shady sites.