弯柱唐松草Thalictrum uncinulatum Franch.
弯柱唐松草Thalictrum uncinulatum Franch.
11．弯柱唐松草（秦岭植物志）图版127：5-9
Thalictrum uncinulatum Franch. in Nouv. Arch. Mus. Hist. Nat. Paris, ser. 2, 8: 187. 1885; 中国高等植物图鉴1: 675, 图1349. 1972; 秦岭植物志1 (2): 240. 1974.
茎高60-120厘米，疏被短柔毛，上部近二歧状分枝。基生叶在开花时枯萎。茎下部叶有稍长柄，为三回三出复叶；叶片长10-21厘米；小叶纸质，顶生小叶卵形，长 1.6-3厘米，宽1.3-2.9厘米，顶端微钝，有短尖，基部心形或圆形，三浅裂，边缘有钝牙齿，表面脉平，近无毛，背面脉隆起，脉网明显，有短柔毛；叶柄长2.5-7厘米，疏被短柔毛，基部稍变宽，托叶不规则分裂或呈波状，有柔毛。花序圆锥状，有密集的花；花梗长1.5-3.5毫米，密被短柔毛；萼片白色，椭圆形，长约2.5毫米，外面有少数柔毛或近无毛，早落；雄蕊长约5毫米，花药长圆形，长约1毫米，花丝与花药等宽或稍窄，上部倒披针状线形，下部丝形；心皮6-8，花柱拳卷，上部腹面密生柱头组织。瘦果狭椭圆球形，长2-2.2毫米，具6条纵肋，基部有短心皮柄，宿存花柱长约0.5毫米，拳卷。7月开花，8月结果。
分布于四川、贵州西部（纳雍）、湖北西部（恩施、巴东）、甘肃南部、陕西南部。生海拔1500-2600米间山地草坡或林边。模式标本采自四川宝兴。
《Flora of China》 Vol. 6 (2001)
Thalictrum uncinulatum Franchet ex Lecoyer
弯柱唐松草 wan zhu tang song cao
Plants 60--120 cm tall, pubescent. Stems dichotomously branched, smooth. Basal leaves withered at anthesis. Cauline leaf stipules pubescent, margin irregularly lobed or sinuate; petiole 2.5--7 cm, pubescent, base dilated; leaf blade 3-ternate, 10--20 cm; leaflet blade ovate, 1.6--3 × 1.3--2.9 cm, papery, base rounded to cordate, apex obtuse, 3-lobed; lobes toothed; veins raised abaxially, flat adaxially, pubescent. Inflorescence paniculate, many flowered. Pedicel 1.5--3.5 mm, densely pubescent. Sepals early deciduous, white, elliptic, ca. 2.5 mm, pubescent or abaxially glabrous. Stamens ca. 5 mm; filament base filiform, apex oblanceolate-linear, as broad as anther; anther oblong, ca. 1 mm. Carpels 6--8; style circinate, ca. 0.5 mm. Achene stipe short; body narrowly ellipsoid, 2--2.2 mm; veins ca. 6. Fl. Jul, fr. Aug.
* Forest margins, slopes; 1500--2600 m. Gansu, Guizhou, Hubei, Shanxi, Sichuan.
别名：三叶升麻;米升麻;变桂唐松草;
科名：毛茛科 Ranunculaceae
属名：唐松草属 Thalictrum
11．弯柱唐松草（秦岭植物志）图版127：5-9
Thalictrum uncinulatum Franch. in Nouv. Arch. Mus. Hist. Nat. Paris, ser. 2, 8: 187. 1885; 中国高等植物图鉴1: 675, 图1349. 1972; 秦岭植物志1 (2): 240. 1974.
茎高60-120厘米，疏被短柔毛，上部近二歧状分枝。基生叶在开花时枯萎。茎下部叶有稍长柄，为三回三出复叶；叶片长10-21厘米；小叶纸质，顶生小叶卵形，长 1.6-3厘米，宽1.3-2.9厘米，顶端微钝，有短尖，基部心形或圆形，三浅裂，边缘有钝牙齿，表面脉平，近无毛，背面脉隆起，脉网明显，有短柔毛；叶柄长2.5-7厘米，疏被短柔毛，基部稍变宽，托叶不规则分裂或呈波状，有柔毛。花序圆锥状，有密集的花；花梗长1.5-3.5毫米，密被短柔毛；萼片白色，椭圆形，长约2.5毫米，外面有少数柔毛或近无毛，早落；雄蕊长约5毫米，花药长圆形，长约1毫米，花丝与花药等宽或稍窄，上部倒披针状线形，下部丝形；心皮6-8，花柱拳卷，上部腹面密生柱头组织。瘦果狭椭圆球形，长2-2.2毫米，具6条纵肋，基部有短心皮柄，宿存花柱长约0.5毫米，拳卷。7月开花，8月结果。
分布于四川、贵州西部（纳雍）、湖北西部（恩施、巴东）、甘肃南部、陕西南部。生海拔1500-2600米间山地草坡或林边。模式标本采自四川宝兴。
《Flora of China》 Vol. 6 (2001)
Thalictrum uncinulatum Franchet ex Lecoyer
弯柱唐松草 wan zhu tang song cao
Plants 60--120 cm tall, pubescent. Stems dichotomously branched, smooth. Basal leaves withered at anthesis. Cauline leaf stipules pubescent, margin irregularly lobed or sinuate; petiole 2.5--7 cm, pubescent, base dilated; leaf blade 3-ternate, 10--20 cm; leaflet blade ovate, 1.6--3 × 1.3--2.9 cm, papery, base rounded to cordate, apex obtuse, 3-lobed; lobes toothed; veins raised abaxially, flat adaxially, pubescent. Inflorescence paniculate, many flowered. Pedicel 1.5--3.5 mm, densely pubescent. Sepals early deciduous, white, elliptic, ca. 2.5 mm, pubescent or abaxially glabrous. Stamens ca. 5 mm; filament base filiform, apex oblanceolate-linear, as broad as anther; anther oblong, ca. 1 mm. Carpels 6--8; style circinate, ca. 0.5 mm. Achene stipe short; body narrowly ellipsoid, 2--2.2 mm; veins ca. 6. Fl. Jul, fr. Aug.
* Forest margins, slopes; 1500--2600 m. Gansu, Guizhou, Hubei, Shanxi, Sichuan.