四川牡丹(原亚种) si chuan mu dan (yuan ya zhong)

Paeonia szechuanica W. P. Fang.

Terminal leaflets elliptic to ovate, 2.5--6.5 × 1.2--3 cm, length:width ratio (1.5--)1.7--2.7(--3.3):1; terminal lobes length:width ratio (1.6--)2.4--3.7(--4.3):1. Lateral leaflets elliptic, 1.8--4.4 × 0.6--2.5 cm. Carpels nearly always 5. 2n = 10*.

* Young secondary deciduous broad-leaved forests, thickets; 2000--3100 m. NW Sichuan (valley of Dadu He).