块根芍药Paeonia anomala Linn. var. intermedia (C.A.Mey.) O.et B.Fedtsch.

科名：芍药科 Paeoniaceae

属名：芍药属 Paeonia

《中国植物志》第27卷059页
  11b．块根芍药（变种）图版10：1
  Paeonia anomala L. var. intermedia (C. A. Mey.) O. et B. Fedtsch. in Beih. Bot. Centralbl. 18, 2: 216. 1905; Stern, Stud. Paeonia 113. 1946. ——p. hybrida Pall. Fl. Ross. 2: 94. 1788, nom. ambig. ; Schipcz. in Fl. URSS. 7: 34. 1937; 中国高等植物图鉴1: 654. 图1308. 1972.——P. intermedia C. A. Mey. ex Ledeb. Fl. Alt. 2: 277. 1830.
  与窄叶芍药的区别：心皮3（-2），密被淡黄色柔毛，蓇葖密被黄色柔毛；叶裂片通常狭窄，宽在1厘米以下，有时可达1．5厘米。
  在我国产新疆西北部。生海拔1100-1700米间的山坡草地及林下阴湿处。在苏联西伯利亚及中亚地区也有分布。

《Flora of China》 Vol. 6 (2001)
Paeonia intermedia  C. A. Meyer
块根芍药   kuai gen shao yao
Paeonia anomala Linnaeus var. intermedia (C. A. Meyer) O. Fedtschenko & B. Fedtschenko.
Herbs perennial, to 70 cm tall. Roots cylindric, to 2.5 cm in diam., woody when old; fibrous roots thickened, tuberous. Proximal leaves 2-ternate; leaflets several times segmented, ± decurrent at base; segments sometimes lobed; segments and lobes linear, 6--16 × 0.4--1.5 cm, glabrous abaxially, bristly along veins adaxially, apex acuminate. Flowers solitary, terminal, single, 6.5--12 cm wide. Bracts 3, leaflike, unequal. Sepals 3--5, often red-purple, ovate-orbicular, 1.5--2.5 × 1--2 cm, apex mostly rounded (at least 2 sepals not caudate). Petals 7--9, purple-red, obovate, 3.5--5.5 × 1.5--3 cm, apex irregularly incised. Filaments 4--5 mm; anthers yellow, oblong. Disc annular. Carpels (1 or)2 or 3(--5), glabrous to densely shortly hirsute. Follicles 2--2.5 × 1.1--1.3 cm, usually yellow shortly hirsute, less frequently glabrous. Seeds black, glossy, oblong, ca. 5 × 3 mm. Fl. May--Jun, fr. Aug--Sep.
Sparse woods, scrub slopes, grassy slopes; 1100--3000 m. N Xinjiang [Kazakhstan, Kyrgyzstan, Russia (SW Siberia), Tajikistan, Uzbekistan].