野榆钱菠菜(Atriplex aucheri)的种子多型性及生态型  

Seed polymorphism and ecotype of Atriplex aucheri

作　　者：魏岩[1] 严成[2] 尹林克[2] 

机构地区：[1]新疆农业大学林学院,乌鲁木齐830052 [2]中国科学院新疆生态与地理研究所,乌鲁木齐830011

出　　处：《西北植物学报》2003年第3期485-487,共3页Acta Botanica Boreali-Occidentalia Sinica

基　　金：中国科学院知识创新工程(KZCX1-08)

摘　　要：对野榆钱菠菜的花、果实及种子进行了观察,表明野榆钱菠菜具有1种雄花、2种雌花,却产生3种果实和种子。这3种种子在形状、大小、颜色、着生方式及包被其苞片的大小上均有差异。且该种植物种内的生态型在生长习性、结实率和种子类型上都存在很大的差异。The observation on flower,fruit and seed of Atriplex aucheri Moq. have been made. The results were as follows :Atriplex aucheri Moq. is monoecious plant with one kind staminate flower and two kind of pistillate flowers. It has three type fruits that are different in shape, size, color of seed and size of bracts packed fruits. Plants from different ecotypes have difference in characters of growth,reproduction and type of seed.

关 键 词：野榆钱菠菜 种子多型性 生态型 种子形状 种子着生方式 

分 类 号：Q949.745.1[生物学—植物学]