圆裂四川牡丹 yuan lie si chuan mu dan

Terminal leaflets ovate to ovate-orbicular, 3--5.5 × 2.4--4.5 cm, length:width ratio (1--)1.2--1.8(--2.2):1; terminal lobes length:width ratio (1--)1.3--2.4(--3):1. Lateral leaflets ovate to orbicular, 1.8--5.5 × 1.4--4.5 cm. Carpels (2 or)3 or 4(or 5). 2n = 10*.

* Sparse Cupressus chengiana forests, young secondary deciduous broad-leaved forests, well-developed thickets; 2000--3100 m. NW Sichuan (valley of Ming Jiang).

After publication of the family treatment for the Flora of China, this name was treated as Paeonia rotundiloba (D. Y. Hong) D. Y. Hong (J. Syst. Evol. 49: 467. 2011).