Hydrangea involucrata

Hydrangea involucrata is a species of flowering plant in the family Hydrangeaceae, native to Japan and Taiwan. It is a deciduous shrub growing to 1 m tall by 2 m broad, with oval leaves and clusters of blue or pink flowers in late summer.

The Latin involucrata means "with a ring of bracts surrounding several flowers", referring to the fringe of sterile florets.

Hydrangea involucrata is cultivated as a garden plant, and has produced several cultivars.