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褐紫乌头Aconitum brunneum Hand.-Mazz.

褐紫乌头Aconitum brunneum Hand.-Mazz.

科名:毛茛科 Ranunculaceae

属名:乌头属 Aconitum

《中国植物志》第27卷201页
  43.褐紫乌头 图版37: 1-7
  Aconitum brunneum Hand. -Mazz. in Acta Hort. Gothob. 13: 103. 1939.
  块根椭圆球形或近圆柱形,长1.5-3.5厘米。茎高85-110厘米,无毛或几无毛,在近花序处被反曲的短柔毛,近等距地生叶,不分枝或在花序之下有1短分枝。叶片肾形或五角形,长3.8-6厘米,宽6.5-11厘米,三深裂至本身长度的4/5-6/7处,中央深裂片倒卵形、倒梯形或菱形,三浅裂,侧深裂片扇形,不等二裂近中部,两面无毛;下部叶柄长20-25厘米,具鞘,中部以上的叶柄渐变短,几无鞘。总状花序长20-50厘米,具15-30朵花;轴和花梗多少密被反曲的短柔毛;最下部的苞片三裂,其他的苞片线形;花梗长0.5-2.5(-5.8)厘米;小苞片生花梗下部至上部,狭线形,长1.6-4毫米;萼片褐紫色或灰紫色,外面疏被短柔毛,上萼片船形,向上斜展,自基部至喙长约1厘米,下缘稍凹,与斜的外缘形成喙;花瓣长约1厘米,疏被短柔毛或几无毛,瓣片顶端圆,无距,唇长约2.5毫米;雄蕊无毛,花丝全缘;心皮3,疏被短柔毛或无毛。蓇葖长1.2-2厘米,无毛;种子长约2.6毫米,倒卵形,具3条纵棱,沿棱生狭翅,表面生有横皱。8-9月开花。
  分布于四川西北部(道孚、甘孜)、甘肃西南部(岷县等地)、青海东南部。生海拔3000-4250米间山坡阳处或冷杉中。模式标本采自四川道孚。

《Flora of China》 Vol. 6 (2001)
Aconitum brunneum  Handel-Mazzetti
褐紫乌头   he zi wu tou
Caudex ellipsoid-globose or subterete, 1.5--3.5 cm. Stem 85--110 cm, simple or 1-branched below inflorescence, glabrous or nearly so, near inflorescence retrorse pubescent. Proximal cauline leaves long petiolate; petiole 20--25 cm, distal ones shorter, base sheathed; leaf blade reniform or pentagonal, 3.8--6 × 6.5--11 cm, both surfaces glabrous, 3-parted; central lobe obovate, obtrapezoid or rhombic; lateral lobes flabellate, unequally 2-fid near middle. Inflorescence 20--50 cm, 15--30-flowered; rachis and pedicels ± densely retrorse pubescent; lowermost bracts 3-fid, others linear. Pedicels 0.5--2.5(--5.8) cm, with 2 bracteoles proximally to distally; bracteoles narrowly linear, 1.6--4 mm. Sepals brown-purple or gray-purple, ca. 1 cm, sparsely pubescent or nearly glabrous. Petaline limb rounded at apex, ecalcarate; lip ca. 2.5 mm. Stamens glabrous; filaments entire. Carpels 3, sparsely pubescent or glabrous. Follicles 1.2--2 cm, glabrous. Seeds obovate, ca. 2.6 mm. Fl. Aug--Sep. 2n = 16*.
* Slopes, Abies forests; 3000--4300 m. SW Gansu, SE Qinghai, NW Sichuan.

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