甘肃省紫堇属植物4个分布新记录种

Four new record species of Corydalis in Gansu Province

【目的】进一步查明甘肃省紫堇属植物区系组成和地理分布格局.【方法】在甘肃省境内进行实地调查、标本采集并拍摄图片,通过文献考证和查阅馆藏腊叶标本,对其进行分类学鉴定.【结果】发现4个甘肃省植物新记录种,即:臭黄堇Corydalis foetida C.Y.Wu et Z.Y.Su,独活叶紫堇Corydalis heracleifolia C.Y.Wu et Z.Y.Su,尿罐草Corydalis moupinensis Franchet,紫苞黄堇Corydalis urbaniana Fedde.【结论】4种植物的天然居群均为甘肃省分布新记录种,为甘肃省的植物区系补充了新的资料.

【Objective】To further clarify the floristic composition and geographical distribution pattern of the genus Corydalis DC.in Gansu Province.【Method】Based on examining the specimens and photos collected through on-the-spot investigation in Gansu Province,and by checking herbarium specimens and relative taxonomic literature,taxonomic identification of suspicious species of plants were conducted.【Result】Four species including Corydalis foetida C.Y.Wu et Z.Y.Su,Corydalis heracleifolia C.Y.Wu et Z.Y.Su,Corydalis urbaniana Fedde,Corydalis moupinensis Franch.were identified as new recorded plant species in Gansu Province.【Conclusion】As addition of regional floristic data,all natural population of four plant species of the genus Corydalis DC.belong to new recorded species in Gansu Province.