天山南坡蓼科植物分类学研究

Systematic Research of Polygonaceae Plant in the South Tianshan Slope

通过实地考察、采集、整理和查阅植物标本对天山南坡蓼科植物进行了形态分类学研究,结果表明:天山南坡蓼科植物有5属,17种,分别占新疆蓼科植物总属、种数的62.5%和17.9%。其中新疆塔里木新纪录种7种;新疆特有种1种,中国新疆特有分布种6种,新疆塔里木特有分布种2种,特有种和特有分布种占总种数的52.9%,比例较高,特有现象明显。

Through field investigation, collecting, reorganizing and specimen, the classification of Polygonaceae plant in the south Tianshan slope has been studied. The result showed that： In the South Tianshan slope Polygonaceae plant has 4 genera 11 species which account for 62.5 % of total genera and 17.9 % of total species in Xinjiang. There were 7 new recorded species in the South Tianshan slope. One species is endemic to Xinjiang, and 6 species only distribute in Xinjiang in China and 2 species only distribute in Tarim in Xinjiang. These 9 species account for 52. 9 %.