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美丽乌头Aconitum pulchellum Hand.-Mazz.

美丽乌头Aconitum pulchellum Hand.-Mazz.

别名:长序美丽乌头;剑川乌头;

科名:毛茛科 Ranunculaceae

属名:乌头属 Aconitum

《中国植物志》第27卷191页
  31.美丽乌头 图版33, 5-6
  Aconitum pulchellum Hand. -Mazz. in Sitzgsanz. Ak. Wiss. Wien. Math. -Nat. Kl. 62: 219. 1925; et in Act. Hort. Gothob. 13: 93. 1939; 中国高等植物图鉴1: 697. 图1393. 1972.
  块根小,倒圆锥形,长约7毫米。茎下部埋在土或石砾中的部分白色,长2.3-3.7厘米,露出地面部分绿色,高6.5-30(-50)厘米,无毛,生1-2枚叶,不分枝。基生叶2-3枚,有长柄;叶片圆五角形,长1-2厘米,宽2-3.5厘米,三全裂或三深裂近基部,末回裂片狭卵形或长圆状线形,宽1-3毫米,两面无毛;叶柄长2.5-14.5厘米,无毛,基部具短鞘。茎生叶1-2枚,生茎下部或中部,具较短柄,较小。总状花序伞房状,有1-4花;基部苞片叶状,上部的线形;花梗长2-6厘米,被反曲的短柔毛,上部混生伸展的柔毛;小苞片生花梗中部附近,线形,长3-5毫米;萼片蓝色,外面疏被短柔毛或几无毛,上萼片盔状船形或盔形,自基部至喙长1.7-2厘米,中部附近最宽(7-8.5毫米),侧萼片长1.3-1.6厘米;花瓣无毛,唇细长,长约3毫米,距长约1.5毫米,反曲;雄蕊无毛,花丝全缘;心皮5,子房被伸展的黄色柔毛。8-9月开花。
  在我国分布于西藏东南部、云南西北部及四川西南部。生海拔3500-4500米间山坡草地,常生多石砾处。在锡金、不丹及缅甸北部也有分布。模式标本采自云南德钦,多克拉。

《Flora of China》 Vol. 6 (2001)
Aconitum pulchellum  Handel-Mazzetti
美丽乌头   mei li wu tou
Caudex obconical, small, ca. 7 mm. Stem 6--30(--50) cm, simple, glabrous or spreading pubescent, with 1 or 2 leaves. Basal leaves 2 or 3, long petiolate; petiole 2.5--14.5 cm, glabrous, base shortly sheathed; leaf blade orbicular-pentagonal, 1--2 × 2--3.5 cm, 3-sect or -parted nearly to base; ultimate lobes narrowly ovate or orbicular-linear, 1--3 mm wide. Cauline leaves 1 or 2, at middle or below, shortly petiolate. Inflorescence 1--9-flowered; proximal bracts leaflike, distal ones linear. Pedicels 2--6 cm, retrorse pubescent, distally with few spreading hairs, with 2 bracteoles at middle; bracteoles linear, 3--5 mm. Sepals blue, adaxially sparsely pubescent or nearly glabrous; lateral sepals 1.3--1.6 cm; upper sepal galeate-navicular or galeate, 1.7--2 cm from base to beak. Petals glabrous or sparsely pubescent; lip ca. 3 mm, slender; spur curved, ca. 1.5 mm. Stamens glabrous or sparsely pubescent; filaments entire. Carpels 5, spreading yellow pubescent. Fr. Aug--Sep. 2n = 16*.
Scrub, grassy slopes, alpine areas; 3500--4500 m. SW Sichuan, SE Xizang, NW Yunnan [Bhutan, Myanmar, ?Nepal, Sikkim].

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