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花葶乌头Aconitum scaposum Franch.

花葶乌头Aconitum scaposum Franch.

别名:一口血

科名:毛茛科 Ranunculaceae

属名:乌头属 Aconitum

《中国植物志》第27卷162页
  5.花葶乌头 一口血(湖北西部)图版27: 1-6
  Aconitum scaposum Franch. in Morot, Journ. Bot. 8: 277. 1894; 中国高等植物图鉴1: 686, 图1372. 1972; 秦岭植物志1 (2): 255. 1974.——A. scaposum var. pyramidale Franch. l. c.——A. lycoctonum L. var. ranunculoides Finet et Gagnep. in Bull. Soc. Bot. Fr. 51: 502. 1904. ——A. scaposum var. efoliatum Rapaics in Nov. Kozl. 6: 168. 1907.——A. scaposum var. patentipilum W. T. Wang, 植物分类学报, 增刊1: 60. 1965.
  根近圆柱形,长约10厘米,粗约0.8厘米。茎高35-67厘米,稍密被反曲(偶而开展)的淡黄色短毛,不分枝或分枝。基生叶3-4,具长柄;叶片肾状五角形,长5.5-11厘米,宽8.5-22厘米,基部心形,三裂稍超过中部,中裂片倒梯状菱形,急尖,稀渐尖,不明显三浅裂,边缘有粗齿,侧裂片斜扇形,不等二浅裂,两面有短伏毛;叶柄长13-40厘米,基部有鞘。茎生叶小,2-4,有时不存在,集中在近茎基部处,长达7厘米,叶片长达2厘米,或完全退化,叶柄鞘状。总状花序长(20-)25-40厘米,有15-40花;苞片披针形或长圆形;花梗长1.4-3.4厘米,被开展的淡黄色长毛;小苞片生花梗基部,似苞片,但较短;萼片蓝紫色,外面疏被开展的微糙毛,上萼片圆筒形,高1.3-1.8厘米,外缘近直,与向下斜展的下缘形成尖喙;花瓣的距疏被短毛或无毛,比瓣片长2-3倍,拳卷;雄蕊无毛,花丝全缘;心皮3,子房疏被长毛。蓇葖不等大,长0.75-1.3厘米;种子倒卵形,长约1.5毫米,白色,密生横狭翅。8-9月开花。
  分布于四川、贵州北部、湖北、江西东部(铅山)、陕西南部、河南西南部。生海拔1200-2000米间山地谷中或林中阴湿处。模式标本采自四川城口。
  在湖北西部民间用本植物的地下部分治劳伤,泡酒服用;叶外敷可治刀伤。
  本种与黔川乌头A. cavaleriei和粗花乌头A. crassiflorum形成一自然的小群,他们共同的特征是:叶掌状深裂;小苞片生花梗基部,卵形;心皮3,成熟时不等大。本种与黔川乌头的主要区别在于叶基部深心形,分裂程度较小,三裂稍超过中部,中深裂片较宽,倒梯状菱形或菱形。本种与粗花乌头的区别在于花序的上部花梗较短,上萼片较细。花葶乌头的基生叶发育,茎生叶强烈退化,显然是一种特化现象。而聚叶花葶乌头A. scaposum var. vaginatum 茎中部以上的茎生叶密集成丛,上部的多少退化则是另一种特化现象。等叶花葶乌头A. scaposum var. hupehanum 的茎生叶均正常发育,在茎上等距地排列,在这三个类型中当是最原始的。

《Flora of China》 Vol. 6 (2001)
Aconitum scaposum  Franchet
花葶乌头   hua ting wu tou
Rhizome terete, ca. 10 cm, ca. 8 mm in diam. Stem 35--67 cm tall, simple or branched, retrorse (rarely spreading) yellowish pubescent. Basal leaves 1--4, long petiolate; petiole 13--40 cm, base sheathed; leaf blade reniform-pentagonal; 5.5--1.1 × 8.5--22 cm, both surfaces appressed puberulous, base cordate, 3-fid; central lobe obtrapezoid-rhombic, 3-lobed, margin dentate, apex acute, rarely acuminate; lateral lobes obliquely flabellate, unequally 2-lobed. Cauline leaves 2--4, smaller than basal ones, equally arranged along stem or mostly near stem base or below inflorescence, sometimes absent; petiole sheathed. Inflorescence (20--)25--40 cm, 15--40-flowered; rachis and pedicels densely spreading yellowish pubescent; bracts lanceolate or oblong. Pedicels 1.4--3.4 cm, spreading yellowish pubescent, with 2 bracteoles at base; bracteoles similar to but shorter than bracts. Sepals blue-purple, abaxially sparsely spreading hispid; upper sepal cylindric, 1.3--1.8 cm high, external margin ± erect, with a beak. Petaline lip linear, conspicuous; spur circinate, 2--3 × as long as limb, sparsely pubescent or glabrous. Stamens glabrous; filaments entire. Carpels 3; ovary sparsely villous. Follicles unequal in size, 7.5--13 mm. Seeds white, obovate, ca. 1.5 mm. Fr. Aug--Sep. 2n = 16*.
Forests, forest margins, grassy slopes, valleys; 1200--3900 m. S Gansu, Guizhou, SW Henan, Hubei, N Hunan, Jiangxi, S Shaanxi, Sichuan, N and NE Yunnan [Bhutan, N Myanmar, Nepal].

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