摘要： 柠条的生物学特性:包括物候期、根系、枝条和叶的形态特征，开花结实习性，种子特征，环境对柠条生长的影响，以及抗旱性，抗热性及抗寒性。其生物学特性与生境关系密切。

关键词: 柠条, 生物学特性, 物候期, 抗性

Abstract: The present paper deals with the biological characters of Caragana microphylla,C.intermedia andC.korshinskii concerning the phenologyical and morphological characters of their root systems,branches and leaves,the habits of their flowering and seedset,the feature of seeds,the effect of environment on their growth,as well as their drought resistance,heat resistance and cold resistance.The author considers that the biological characters of the three species of Caragana may have close relations with the habitat.

Key words: aragana, Biological characters, Phenology, Resistance

中图分类号: 

• S793.301