What is Kerria plena
Kerria plena or Yae Yamabuki (Kerria japonica cv. plena) is a gardening variety of the deciduous shrub Japanese kerria(scientific name: Kerria japonica) which is in the family Rosaceae native to Japan and China. It has double flowers. Unlike the single-petal flower "Yamabuki", this species does not bear fruit because its stamens are double-petaled and the pistils are degenerate.
Common name: Kerria plena , Scientific name: Kerria japonica cv. plena, alias: Yae Yamabuki , place of origin: Japan and China, tree height: 100-200 cm, flower color: yellow, flower diameter: 3-5 cm, flowering season: April to May Blooming method: double flowers.