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峨眉唐松草Thalictrum omeiense W. T. Wang et S. H. Wang

峨眉唐松草Thalictrum omeiense W. T. Wang et S. H. Wang

别名:峨嵋唐松草;黄芩;倒水莲;金鸡尾;野海棠;

科名:毛茛科 Ranunculaceae

属名:唐松草属 Thalictrum

《中国植物志》第27卷524页
  6.峨眉唐松草(中国药用植物志)倒水莲、野海棠、黄芩(四川)图版119,120:5;图版126:1-5
  Thalictrum omeiense W. T. Wang et S. H. Wang in Addenda.
  植株全部无毛。根状茎短,生出多数细长的须根。茎高50-80厘米,分枝。基生叶1,和茎下部叶均具长柄,为三回三出复叶;叶片长16-25厘米;小叶坚纸质,顶生小叶倒卵形、菱状倒卵形或宽卵形,长3-6.8厘米,宽2-5厘米,顶端圆形,基部宽楔形,三浅裂,有粗圆齿,表面脉平,背面脉隆起,脉网明显;叶柄长10-12厘米,基部稍变宽成狭鞘,托叶约与鞘同长,宽1-2.5毫米。茎上部叶变小,有短柄。花序圆锥状,两叉状分枝,有多少密集的花;花梗长4-5毫米;萼片4,白色,倒卵形,船形,长约3毫米,宽约2毫米,早落;雄蕊多数,长2-5毫米,花药黄色,长椭圆形,长0.5-0.8毫米,顶端钝,花丝比花药窄或近等宽,上部棒形,下部丝形;心皮12-16,长约1毫米,花柱比子房稍短,直或上部稍弯,在腹面上部生柱头组织。瘦果狭卵球形,长1.5-2.5毫米,无柄,有6条纵肋,宿存花柱拳卷。7月开花,8月结果。
  产四川峨眉山和洪雅一带。生海拔720-2000米间山地溪边或石崖边潮湿处。
  全草药用,治疟疾寒热、湿热发黄、腹痛泻痢等症(中国药用植物志)。
  《中国高等植物图鉴》第一册,图1347是峨眉唐松草的图,可以参考。这种近爪哇唐松草T. javanicum,但小叶较大。也近大叶唐松草 T. faberi和巨齿唐松草T. grandidentatum,但小叶多为倒卵形,有时为宽卵形时,顶端圆形,可以与那二种相区别。

《Flora of China》 Vol. 6 (2001)
Thalictrum omeiense  W. T. Wang & S. H. Wang
峨眉唐松草   e mei tang song cao
Plants 50--80 cm tall, glabrous. Stems branched. Leaves both basal and cauline; stipules 1--2.5 mm wide; petiole 10--12 cm; leaf blade 3-ternate, 16--25 cm; leaflet blade cuneate-obovate, obovate, or broadly ovate, 3--6.8 × 2--5 cm, papery, base broadly cuneate, apex 3-lobed; lobes toothed; veins raised abaxially, flat adaxially. Inflorescence paniculate, many flowered. Pedicel 4--5 mm. Sepals 4, early deciduous, white, obovate, ca. 3 × 2 mm. Stamens many, 2--5 mm; filament base filiform, apex clavate, narrower than anther; anther yellow, elliptic, 0.5--0.8 mm, apex obtuse. Carpels 12--16; style straight or slightly curved, shorter than ovary. Achene body narrowly ovoid, 1.5--2.5 mm; veins ca. 6. Fl. Jul, fr. Aug.
* Streamsides, damp rocky ledges; 700--2000 m. C Sichuan (Emei Xian, Hongya Shan).
This species is similar to Thalictrum faberi and T. grandidentatum, but differs in having leaflets cuneate-obovate, obovate, or broadly ovate, with the lobe teeth apically rounded.

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