| 摘要: |
| 该文描述了甘肃东祁连山发现的豆科(Leguminosae)扁蓿豆属(Melilotoides)一新变种——天祝扁蓿豆(Melilotoides ruthenica var. tianhzhuensis C. L. Xu )。该变种植株节间(3～18 mm)短于原变种(30～65 mm); 叶片小于原变种; 小叶宽卵形或倒卵形; 花冠外部(背部)和内部(腹部)均为黄色,且不带紫色和条纹。上述特征与原变种明显不同,易于区别。 |
| 关键词: 豆科, 扁蓿豆属, 新变种, 天祝扁蓿豆, 中国 |
| DOI：10.11931/guihaia.gxzw201503036 |
| 分类号: |
| 文章编号:1000-3142(2016)09-1023-03 |
| Fund project:国家自然科学基金(31360569,31360570)[Supported by National Natural Science Foundation of China(31360569,31360570)]。 |
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| Melilotoides ruthenica var. tianzhuensis C. L. Xu, a new variety of Melilotoides(Leguminosae)from Gansu, China |
|
XU Chang-Lin1,2
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1. College of Partacultural Science, Gansu Agricultural University, Lanzhou 730070, China;2. Tianzhu Alpine
Grassland Experimental Station of Gansu Agricultural University, Tianzhu 733201, China
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| Abstract: |
| Melilotoides ruthenica var. tianzhuensis C. L. Xu, a new variety of Leguminosae from Gansu, China, is described. It primarily differs from the typical one, by having shorter internode, smaller leaves with broadly ovate or obovate leaflets. And its' corolla is pure yellow, without purple stripes. |
| Key words: Leguminosae, Melilotoides, new variety, Melilotoides ruthenica var. tianzhuensis, China |
