延胡索Corydalis yanhusuo
中文名（Chinese Name）：延胡索
学名（Scientific Name）：Corydalis yanhusuo W. T. Wang ex Z. Y. Su et C. Y. Wu
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Corydalis turtschaninovii f. yanhusuo Y. H. Chou et C. C. Hsu Corydalis turtschaninowii f. yanhusuo Y.H. Chou & C.C. Hsu
科属（Family & Genus）：罂粟科（Papaveraceae）紫堇属
形态特征（Description）：多年生草本，高10-30厘米。块茎圆球形，直径(0.5-)1-2.5厘米，质黄。茎直立，常分枝，基部以上具1鳞片，有时具2鳞片，通常具3-4枚茎生叶，鳞片和下部茎生叶常具腋生块茎。叶二回三出或近三回三出，小叶三裂或三深裂，具全缘的披针形裂片，裂片长2-2.5厘米，宽5-8毫米；下部茎生叶常具长柄；叶柄基部具鞘。总状花序疏生5-15花。苞片披针形或狭卵圆形，全缘，有时下部的稍分裂，长约8毫米。花梗花期长约1厘米，果期长约2厘米。花紫红色。萼片小，早落。外花瓣宽展，具齿，顶端微凹，具短尖。上花瓣长(1.5-)2-2.2厘米，瓣片与距常上弯；距圆筒形，长1.1-1.3厘米；蜜腺体约贯穿距长的1/2，末端钝。下花瓣具短爪，向前渐增大成宽展的瓣片。内花瓣长8-9毫米，爪长于瓣片。柱头近圆形，具较长的8乳突。蒴果线形，长2-2.8厘米，具1列种子。
分布（Distribution）：产安徽、江苏、浙江、湖北、河南，生丘陵草地。
用途（Use）：块茎为著名的常用中药，含20多种生物碱，用于行气止痛、活血散瘀、跌打损伤等。
引自中国植物志英文版：FOC Vol. 7 Page 315, 319
Corydalis yanhusuo (Y. H. Chou & C. C. Hsu) W. T. Wang ex Z. Y. Su & C. Y. Wu, Acta Bot. Yunnan. 7: 269. 1985.
延胡索 yan hu suo| Papaveraceae | Corydalis
Corydalis turtschaninovii Besser f. yanhusuo Y. H. Chou & C. C. Hsu, Acta Phytotax. Sin. 15(2): 82. 1977; C. ternata (Nakai) Nakai f. yanhusuo (Y. H. Chou & C. C. Hsu) Y. C. Zhu.
Herbs, perennial. Tuber yellow, rounded, (0.5-)1-2.5 cm in diam. Stems erect, 10-30 cm, with 1 or sometimes 2 scale leaves, with 2 or often 3(or 4?) cauline leaves, scales and lower cauline leaves often with axillary tuber. Leaves biternate or nearly triternate; leaflets 2-2.5 cm × 5-8 mm, entire to deeply trifid with lanceolate entire acute segments; lowermost cauline leaf often long petiolate and vaginate at base. Raceme lax, 5-15-flowered; bracts lanceolate or narrowly ovate, 5-12 × 2-5 mm, margin entire, apex acute, sometimes lower bracts slightly divided. Pedicel ca. 10 mm at flowering, in fruit to 20 mm. Flowers amaranth. Sepals caducous, small. Outer petals with broad dentate limbs, emarginate with a mucro in notch; spur of upper petal upcurved, cylindric, 11-13 mm; nectary extended through ca. 1/2 of spur, apex obtuse; lower petal with short claw; inner petals 8-9 mm, claw longer than petal lobes. Stigma nearly orbicular, papillae longer than in preceding species. Capsule linear, 20-28 mm. Seeds in 1 row. Fl. and fr. Apr-Jun.
● Grasslands on highlands. Anhui, Henan (Tanghe, Xinyang), Hubei, Hunan, Jiangsu, Zhejiang; cultivated in Beijing, Gansu, Shaanxi, Sichuan, and Yunnan.
This species is an important herb in traditional Chinese medicine.
（责任编辑：徐晔春）
学名（Scientific Name）：Corydalis yanhusuo W. T. Wang ex Z. Y. Su et C. Y. Wu
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Corydalis turtschaninovii f. yanhusuo Y. H. Chou et C. C. Hsu Corydalis turtschaninowii f. yanhusuo Y.H. Chou & C.C. Hsu
科属（Family & Genus）：罂粟科（Papaveraceae）紫堇属
形态特征（Description）：多年生草本，高10-30厘米。块茎圆球形，直径(0.5-)1-2.5厘米，质黄。茎直立，常分枝，基部以上具1鳞片，有时具2鳞片，通常具3-4枚茎生叶，鳞片和下部茎生叶常具腋生块茎。叶二回三出或近三回三出，小叶三裂或三深裂，具全缘的披针形裂片，裂片长2-2.5厘米，宽5-8毫米；下部茎生叶常具长柄；叶柄基部具鞘。总状花序疏生5-15花。苞片披针形或狭卵圆形，全缘，有时下部的稍分裂，长约8毫米。花梗花期长约1厘米，果期长约2厘米。花紫红色。萼片小，早落。外花瓣宽展，具齿，顶端微凹，具短尖。上花瓣长(1.5-)2-2.2厘米，瓣片与距常上弯；距圆筒形，长1.1-1.3厘米；蜜腺体约贯穿距长的1/2，末端钝。下花瓣具短爪，向前渐增大成宽展的瓣片。内花瓣长8-9毫米，爪长于瓣片。柱头近圆形，具较长的8乳突。蒴果线形，长2-2.8厘米，具1列种子。
分布（Distribution）：产安徽、江苏、浙江、湖北、河南，生丘陵草地。
用途（Use）：块茎为著名的常用中药，含20多种生物碱，用于行气止痛、活血散瘀、跌打损伤等。
引自中国植物志英文版：FOC Vol. 7 Page 315, 319
Corydalis yanhusuo (Y. H. Chou & C. C. Hsu) W. T. Wang ex Z. Y. Su & C. Y. Wu, Acta Bot. Yunnan. 7: 269. 1985.
延胡索 yan hu suo| Papaveraceae | Corydalis
Corydalis turtschaninovii Besser f. yanhusuo Y. H. Chou & C. C. Hsu, Acta Phytotax. Sin. 15(2): 82. 1977; C. ternata (Nakai) Nakai f. yanhusuo (Y. H. Chou & C. C. Hsu) Y. C. Zhu.
Herbs, perennial. Tuber yellow, rounded, (0.5-)1-2.5 cm in diam. Stems erect, 10-30 cm, with 1 or sometimes 2 scale leaves, with 2 or often 3(or 4?) cauline leaves, scales and lower cauline leaves often with axillary tuber. Leaves biternate or nearly triternate; leaflets 2-2.5 cm × 5-8 mm, entire to deeply trifid with lanceolate entire acute segments; lowermost cauline leaf often long petiolate and vaginate at base. Raceme lax, 5-15-flowered; bracts lanceolate or narrowly ovate, 5-12 × 2-5 mm, margin entire, apex acute, sometimes lower bracts slightly divided. Pedicel ca. 10 mm at flowering, in fruit to 20 mm. Flowers amaranth. Sepals caducous, small. Outer petals with broad dentate limbs, emarginate with a mucro in notch; spur of upper petal upcurved, cylindric, 11-13 mm; nectary extended through ca. 1/2 of spur, apex obtuse; lower petal with short claw; inner petals 8-9 mm, claw longer than petal lobes. Stigma nearly orbicular, papillae longer than in preceding species. Capsule linear, 20-28 mm. Seeds in 1 row. Fl. and fr. Apr-Jun.
● Grasslands on highlands. Anhui, Henan (Tanghe, Xinyang), Hubei, Hunan, Jiangsu, Zhejiang; cultivated in Beijing, Gansu, Shaanxi, Sichuan, and Yunnan.
This species is an important herb in traditional Chinese medicine.
（责任编辑：徐晔春）
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