刺瓣绿绒蒿一新变型

目的]介绍刺瓣绿绒蒿的一个新变型。方法]在青海省花石峡采集绿绒蒿属藏药时发现了刺瓣绿绒蒿(Meconopsis horridulavar.spinulifera.)的一个白花新变型,与原变种(总状绿绒蒿Meconopsis horridulavar.racemosa)进行了比较。结果]在青海省玉树州玛多县花石峡生境为海拔4 200 m的小河岸边阳坡草地上发现了刺瓣绿绒蒿的白花新变型,与原变种的区别在于花冠白色;花瓣两面中下部疏生细刺;花柱具4棱,棱呈膜质翅状,宽约1.5 mm;花丝窄线形。结论]发现的刺瓣绿绒蒿新变型与原变型的主要区别是植物花冠呈白色。

A New Forma of Meconopsis horridula vat. spinulifera

Objective] The aim of the research was to introduce a new forma of Meconopsis horridula var.spinulifera.Method] In the period of collecting Tibetan drug of Meconopsis from Huashixia of Qinghai province,a new forma of Meconopsis horridula var.spinulifera with white flowers were found and it was compared with the raw variety Meconopsis horridula var.racemosa.Result] A new forma of M.horridula with white flowers was found on the sunny-slope grassland on the edge of creek bank in Shihuaxia habitat with the elevation of 4 200 m in Maduo County,Yushu State of Qinghai province and its difference with the raw variety was white chaplet.There were sparse spinlets in the middle and low parts in both sides of petal.The style had 4 redges that showed the film aliform with the width of 1.5 mm.The silk was narrow-linear.Conclusion] The main difference between the new forma and the raw forma of M.horridula was that the plant chaplet was white.