新源蒲公英Taraxacum xinyuanicum D. T. Zhai et Z. X. An
新源蒲公英Taraxacum xinyuanicum D. T. Zhai et Z. X. An
43.新源蒲公英（植物分类学报）图版14：6-13
Taraxacum xinyuanicum D. T. Zhai et Z. X. An in Act. Phytotax. Sin. 34(3): 318. 1996.
多年生草本。根颈部具残存叶基，叶基腋部有少量褐色绒毛。叶绿色，椭圆形至狭倒披针形，长3.5-9厘米，宽1-3.6厘米，羽状深裂，间具小裂片或小齿，顶端裂片三角形，全缘，侧裂片上倾或倒向，先端急尖，全缘或具齿，被少量柔毛或近无毛。花葶数个，高5-18厘米，长于叶，黄绿色，顶端被丰富的蛛丝状毛；总苞长9-12毫米；外层总苞片披针形至卵状披针形，淡绿色，宽于内层总苞片，花期水平状张开，无角；内层总苞片绿色，无角，长为外层总苞片的1.5倍；舌状花黄色，花冠无毛，边缘花舌片背面有宽的暗色条带。瘦果褐色，长2.5毫米，有较多的纵棱，上部1/3被小尖刺，其余部分无刺无瘤状突起，喙基长0.2-0.4毫米，喙纤细，长4-5毫米；冠毛白色，长4-5毫米。2n＝16。
产新疆（新源）。生于海拔1500米森林草甸带。模式标本采自新疆新源。
形态特征：多年生草本。根颈部具残存叶基，叶基腋部有少量褐色绒毛。叶绿色，椭圆形至狭倒披针形，长3．5—9厘米，宽1—3．6厘米，羽状深裂，间具小裂片或小齿，顶端裂片三角形，全缘，侧裂片上倾或倒向，先端急尖，全缘或具齿，被少量柔毛或近无毛。花葶数个，高5—18厘米，长于叶，黄绿色，顶端被丰富的蛛丝状毛；总苞长9—12毫米；外层总苞片披针形至卵状披针形，淡绿色，宽于内层总苞片，花期水平状张开，无角；内层总苞片绿色，无角，长为外层总苞片的1．5倍；舌状花黄色，花冠无毛，边缘花舌片背面有宽的暗色条带。瘦果褐色，长2．5毫米，有较多的纵棱，上部1／3被小尖刺，其余部分无刺无瘤状突起，喙基长0．2--0．4毫米，喙纤细，长4—5毫米；冠毛白色，长4——5毫米。2n＝16。
产地分布：产新疆(新源)。生于海拔1500米森林草甸带。模式标本采自新疆新源。
参考文献：Taraxacum xinyuanicum D．T．Zhai et Z．X．An in Act．Phytotax．Sin．34(3)：318． 1996．
《Flora of China》 Vol. 20-21 (2011)
86. Taraxacum xinyuanicum D. T. Zhai & C. H. An, Acta Phytotax. Sin. 34: 318. 1996.
新源蒲公英 xin yuan pu gong ying
Herbs 5-18 cm tall. Petiole ± purplish, narrow; leaf blade mid-green, ± broadly oblanceolate, 4-10 × 1.5-3.5 cm, sparsely arachnoid but later glabrescent, deeply pinnatisect; lateral lobes 3-5, ± triangular to triangular-deltoid, subpatent to ± recurved, distal margin convex and entire or with 1 or 2 teeth; interlobes broad, margin dentate and/or lobulate; terminal lobe triangular to helmet-shaped, margin ± entire. Scapes greenish, ± overtopping leaves, sparsely arachnoid but densely so below capitulum. Involucre 6-7 mm wide, base ± rounded. Outer phyllaries 12-15, pale green, not imbricate, ovate-lanceolate to lanceolate, outermost ones ca. 6 × 2-3 mm and 2/5-1/2 as long as inner ones, ± patent, margin glabrous to sparsely ciliate, flat below apex; inner phyllaries 0.9-1.2 cm, apically flat. Ligules yellow; outer ligules flat, outside faintly striped grayish; floret tube outside glabrous. Stigmas discolored. Anthers polliniferous; pollen grains regular in size. Achene grayish straw-colored brown, ca. 2.5 × 0.8-0.9 mm; body ± smooth below, apically spinulose, ± abruptly narrowing into a thick subconic 0.2-0.3 mm cone; beak ca. 5 mm. Pappus white, 5-6 mm. Fl. spring and summer. Sexual. 2n = 16*● Gravelly slopes, roadsides; ca. 1500 m. Xinjiang.
Taraxacum xinyuanicum is the first sexual taxon recognized within T. sect. Qaisera.
科名：菊科 Compositae
属名：蒲公英属 Taraxacum
43.新源蒲公英（植物分类学报）图版14：6-13
Taraxacum xinyuanicum D. T. Zhai et Z. X. An in Act. Phytotax. Sin. 34(3): 318. 1996.
多年生草本。根颈部具残存叶基，叶基腋部有少量褐色绒毛。叶绿色，椭圆形至狭倒披针形，长3.5-9厘米，宽1-3.6厘米，羽状深裂，间具小裂片或小齿，顶端裂片三角形，全缘，侧裂片上倾或倒向，先端急尖，全缘或具齿，被少量柔毛或近无毛。花葶数个，高5-18厘米，长于叶，黄绿色，顶端被丰富的蛛丝状毛；总苞长9-12毫米；外层总苞片披针形至卵状披针形，淡绿色，宽于内层总苞片，花期水平状张开，无角；内层总苞片绿色，无角，长为外层总苞片的1.5倍；舌状花黄色，花冠无毛，边缘花舌片背面有宽的暗色条带。瘦果褐色，长2.5毫米，有较多的纵棱，上部1/3被小尖刺，其余部分无刺无瘤状突起，喙基长0.2-0.4毫米，喙纤细，长4-5毫米；冠毛白色，长4-5毫米。2n＝16。
产新疆（新源）。生于海拔1500米森林草甸带。模式标本采自新疆新源。
形态特征：多年生草本。根颈部具残存叶基，叶基腋部有少量褐色绒毛。叶绿色，椭圆形至狭倒披针形，长3．5—9厘米，宽1—3．6厘米，羽状深裂，间具小裂片或小齿，顶端裂片三角形，全缘，侧裂片上倾或倒向，先端急尖，全缘或具齿，被少量柔毛或近无毛。花葶数个，高5—18厘米，长于叶，黄绿色，顶端被丰富的蛛丝状毛；总苞长9—12毫米；外层总苞片披针形至卵状披针形，淡绿色，宽于内层总苞片，花期水平状张开，无角；内层总苞片绿色，无角，长为外层总苞片的1．5倍；舌状花黄色，花冠无毛，边缘花舌片背面有宽的暗色条带。瘦果褐色，长2．5毫米，有较多的纵棱，上部1／3被小尖刺，其余部分无刺无瘤状突起，喙基长0．2--0．4毫米，喙纤细，长4—5毫米；冠毛白色，长4——5毫米。2n＝16。
产地分布：产新疆(新源)。生于海拔1500米森林草甸带。模式标本采自新疆新源。
参考文献：Taraxacum xinyuanicum D．T．Zhai et Z．X．An in Act．Phytotax．Sin．34(3)：318． 1996．
《Flora of China》 Vol. 20-21 (2011)
86. Taraxacum xinyuanicum D. T. Zhai & C. H. An, Acta Phytotax. Sin. 34: 318. 1996.
新源蒲公英 xin yuan pu gong ying
Herbs 5-18 cm tall. Petiole ± purplish, narrow; leaf blade mid-green, ± broadly oblanceolate, 4-10 × 1.5-3.5 cm, sparsely arachnoid but later glabrescent, deeply pinnatisect; lateral lobes 3-5, ± triangular to triangular-deltoid, subpatent to ± recurved, distal margin convex and entire or with 1 or 2 teeth; interlobes broad, margin dentate and/or lobulate; terminal lobe triangular to helmet-shaped, margin ± entire. Scapes greenish, ± overtopping leaves, sparsely arachnoid but densely so below capitulum. Involucre 6-7 mm wide, base ± rounded. Outer phyllaries 12-15, pale green, not imbricate, ovate-lanceolate to lanceolate, outermost ones ca. 6 × 2-3 mm and 2/5-1/2 as long as inner ones, ± patent, margin glabrous to sparsely ciliate, flat below apex; inner phyllaries 0.9-1.2 cm, apically flat. Ligules yellow; outer ligules flat, outside faintly striped grayish; floret tube outside glabrous. Stigmas discolored. Anthers polliniferous; pollen grains regular in size. Achene grayish straw-colored brown, ca. 2.5 × 0.8-0.9 mm; body ± smooth below, apically spinulose, ± abruptly narrowing into a thick subconic 0.2-0.3 mm cone; beak ca. 5 mm. Pappus white, 5-6 mm. Fl. spring and summer. Sexual. 2n = 16*● Gravelly slopes, roadsides; ca. 1500 m. Xinjiang.
Taraxacum xinyuanicum is the first sexual taxon recognized within T. sect. Qaisera.