Botanical name: Kerria japonica 'Pleniflora' Family: Rosaceae (Rose family)
Kerria is a suckering shrub with graceful, arching, cane-like stems that is found in the mountains of Japan and south western China. Kerria is a genus of one species. Its leaves are alternate, simple and bright green and its flowers are solitary, yellow and saucer- or cup-shaped. This cultivar has double blooms. Kerrias are grown for their foliage and flowers and are suitable either for a shrub border or for an open part of a woodland garden. This genus was named for William Kerr, a gardener and plant collector at Kew, who collected in China, Java and the Philippines.
Identification credit: Nicolas Roth
The flower labeled Kerria double is ...