Ranunculus cortusifolius seeds grow into the Canarian buttercup or Macaronesian giant buttercup — a large, robust perennial herb native to the subtropical biome of the Canary Islands, Madeira and the Azores, growing in laurisilva (laurel forest) and moist rocky habitats. The epithet cortusifolius means 'Cortusa-leaved', referring to the large, rounded, kidney-shaped leaves resembling those of Cortusa. Produces the most spectacular flowers of any temperate buttercup — large, bright, waxy, golden-yellow flowers to 5 cm across on tall stems to 1.5 m. One of the finest ornamental Ranunculus for mild climates. Family Ranunculaceae.Partial shade to full sun; moist, humus-rich soils; warm subtropical Macaronesian conditions. Outstanding ornamental buttercup for mild climates. 'Cortusifolius' = Cortusa-leaved; large round kidney leaves; huge golden-yellow flowers to 5 cm; to 1.5 m Canary Islands, Madeira, Azores; laurisilva habitats; most spectacular ornamental Ranunculus Canary Islands, Madeira and Azores — subtropical biome; laurisilva and moist rocky Genus Ranunculus ~600 species; Family Ranunculaceae Partial shade to full sun; moist humus-rich soils; warm subtropical; mild climates; Family Ranunculaceae Ranunculus cortusifolius is the Canarian giant buttercup — producing the largest and most spectacular flowers of any buttercup in the temperate world, its great golden blooms and broad kidney-shaped leaves making it an outstanding ornamental for mild maritime gardens in a genus typically associated with much smaller wildflowers. IMPORTANT: Pictures show the adult plant, which is not for sale. The offer is only for seeds.