甘肃扁蓿豆属(豆科)一新变种——天祝扁蓿豆

徐长林

引用本文:	徐长林.甘肃扁蓿豆属(豆科)一新变种——天祝扁蓿豆[J].广西植物,2016,36(9):1023-1025.[点击复制]
	XU Chang-Lin.Melilotoides ruthenica var. tianzhuensis C. L. Xu, a new variety of Melilotoides(Leguminosae)from Gansu, China[J].Guihaia,2016,36(9):1023-1025.[点击复制]

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甘肃扁蓿豆属(豆科)一新变种——天祝扁蓿豆
徐长林
1. 甘肃农业大学草业学院, 兰州 730070;2. 甘肃农业大学天祝高山草原试验站, 甘肃天祝 733201

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

基金项目:国家自然科学基金(31360569,31360570)[Supported by National Natural Science Foundation of China(31360569,31360570)]。

Melilotoides ruthenica var. tianzhuensis C. L. Xu, a new variety of Melilotoides(Leguminosae)from Gansu, China

XU Chang-Lin^1,2

1. College of Partacultural Science, Gansu Agricultural University, Lanzhou 730070, China;2. Tianzhu Alpine Grassland Experimental Station of Gansu Agricultural University, Tianzhu 733201, China

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