紫斑牡丹Paeonia suffruticosa Andr. var. papaveracea (Andr.) Kerner

别名：林氏牡丹;野牡丹;

科名：芍药科 Paeoniaceae

属名：芍药属 Paeonia

《中国植物志》第27卷045页
  1c．紫斑牡丹（变种）图版3：1-3
  Paeonia suffruticosa Andr. var. papaveracea (Andr.) Kerner, Hort. Semperv. 5: t. 473. 1816.——P. suffruticosa sensu Stern, Stud. Gen. Paeonia 40. 1946, p. p.——papaveracea Andr. in Bot. Rep. 7: t. 463. 1806; 中国高等植物图鉴1: 652, 图1303. 1972;秦岭植物志1 (2): 225. 1974. ——P. moutan Sims var. papaveracea (Andr.) DC. Reg. Veg. Syst. 1: 387. 1817.
  与牡丹的区别：花瓣内面基部具深紫色斑块。叶为二至三回羽状复叶，小叶不分裂，稀不等2-4浅裂。花大，花瓣白色。
  分布于四川北部、甘肃南部、陕西南部（太白山区）。生海拔1100-2800米的山坡林下灌丛中。在甘肃、青海等地有栽培。
  根皮供药用，称“丹皮”；为镇痉药，能凉血散瘀，治中风、腹痛等症。

《Flora of China》 Vol. 6 (2001)
Paeonia rockii  (S. G. Haw & Lauener) T. Hong & J. J. Li
紫斑牡丹   zi ban mu dan
Shrubs to 1.8 m tall. Roots attenuate toward tip. Turions absent. Stems gray or gray-brown, peeling off in flakes. Proximal leaves 2- or 3-pinnate, with (17--)19--33 leaflets; leaflets lanceolate or ovate-lanceolate and mostly entire, or ovate to ovate-orbicular and mostly lobed, 2--11 × 1.5--4.5 cm, abaxially villous along veins, adaxially glabrous, base truncate to cuneate, apex acute or acuminate. Flowers solitary, terminal, single, 13--19 cm wide. Bracts 3, leaflike. Sepals 3, green, ovate-orbicular, 3--4 × 2--3 cm, apex acute or caudate. Petals white with a large, dark purple spot at base. Filaments yellow; anthers yellow. Disc wholly enveloping carpels, pale yellow, leathery, apex dentate or lobed. Carpels 5(or 6), densely tomentose. Stigmas pale yellow. Follicles oblong, densely yellow tomentose. Fl. Apr--May, fr. Aug. 2n = 10*.
* Deciduous broad-leaved forests, forest margins, thickets, shady slopes, limestone rocks, sometimes cultivated; 1100--2800 m. S Gansu, W Henan, W Hubei, C and S Shaanxi.