Paeonia rockii

Description

Rock's peony (Paeonia rockii) is a woody species of tree peony that was named after Joseph Rock. It is one of several species given the vernacular name tree peony, and is native to the mountains of Gansu and adjoining provinces in China. In Chinese, it is known as 紫斑牡丹 (pinyin: zǐbān mǔdān).