Hydrangea involucrata is a species of flowering plant in the family Hydrangeaceae, native to Japan and Taiwan.^[1] It is a deciduous shrub growing to 1 m (3 ft) tall by 2 m (7 ft) broad, with oval leaves and clusters of blue or pink flowers in late summer.^[2]

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.

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  Illustration of Hydrangea involucrata