⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2873505, and has not been changed.

Paeonia officinalis subsp. humilis (Retz.) Cullen & Heywood is a synonym of Paeonia officinalis subsp. microcarpa Nyman

This name is a synonym of Paeonia officinalis subsp. microcarpa Nyman.

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Feddes Repert. 69: 34 1964.