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四川牡丹Paeonia szechuanica Fang

四川牡丹Paeonia szechuanica Fang

科名:芍药科 Paeoniaceae

属名:芍药属 Paeonia

《中国植物志》第27卷045页
  2.四川牡丹 图版4: 1-2
  Paeonia szechuanica Fang, 植物分类学报7 (4): 303, pl. 61. 1. 1958.
  灌木,各部均无毛。茎高0.7-1.5米,树皮灰黑色,片状脱落,分枝圆柱形,基部具宿存的鳞片。叶为三至四回三出复叶;叶片长10-15厘米;顶生小叶卵形或倒卵形,长3.2-4.5厘米,宽1.2-2厘米,3裂达中部或近全裂,裂片再3浅裂,顶端渐尖,基部楔形,表面深绿色,背面淡绿色;侧生小叶卵形或菱状卵形,长2.5-3.5厘米,宽1.2-2厘米,3裂或不裂而具粗齿;小叶柄长1-1.5厘米;叶柄长3.5-8厘米。花单生枝顶,直径10-15厘米;苞片3-5,大小不等,线状披针形;萼片3-5,倒卵形,长2.5厘米,宽1.5厘米,绿色,顶端骤尖;花瓣9-12,玫瑰色、红色,倒卵形,长3.5-7厘米,宽3.5-5厘米,顶端呈不规则波状或凹缺;雄蕊长约1.2厘米,花丝白色,花药黄色,长6-8毫米;花盘革质,杯状,包住心皮l/2-2/3,顶端裂片三角状;心皮4(-6),锥形,花柱很短,柱头扁,反卷。果未见。花期4月下旬至6月上旬。
  产四川西北部(马尔康)。生海拔2400-3100米的山坡,河边草地或丛林中。
  根皮可作“丹皮”用。
  四川牡丹与牡丹P. suffruticosa亲缘关系很近,但叶为三至四回三出复叶,叶裂片较小,两面无毛,花盘包住心皮1/2-2/3,心皮无毛等,与后者易于区别。

《Flora of China》 Vol. 6 (2001)
Paeonia decomposita  Handel-Mazzetti
四川牡丹   si chuan mu dan
Shrubs to 1.8 m tall, glabrous throughout. Stems gray-black, peeling off in flakes; young shoots purple-red. Proximal leaves 3(or 4) times compound (1st and 3rd divisions ternate, 2nd division pinnate), with (30--)35--65 leaflets; terminal leaflets elliptic to ovate-orbicular, 2.5--6.5 × 1.2--4.5 cm, 3-partite to base or 3-fid, terminal lobes 3-lobed; lateral leaflets elliptic to orbicular, 1.8--5.5 × 0.6--4.5 cm, 3-lobed or coarsely toothed. Flowers solitary, terminal, single, 10--15 cm wide. Bracts 2 or 3(--5), unequal, linear-lanceolate. Sepals 3(--5), green, broadly obovate, ca. 2.5 × 1.5--2.0 cm, apex mucronate. Petals 9--12, rose, obovate, 4--7 × 3--5 cm, apex usually 2-lobed and irregularly incised or toothed. Disc 1/2--2/3 enveloping carpels, white, papery, with triangular teeth. Carpels (2 or)3--5, green or purple, glabrous. Stigmas red. Follicles black-brown when mature, ellipsoid, 2--3 × 1.3--1.7 cm. Seeds black, glossy, broadly ellipsoid or globose, 8--10 × 6--8 mm. Fl. Apr--May, fr. Aug.
* Sparse Cupressus chengiana forests, young secondary deciduous broad-leaved forests, thickets; 2000--3100 m. NW Sichuan.

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