摘要
本文简述了三种松树的形态和解剖学特征,并从种子、针叶和球果三个方面列出了三种松树的检索表,最后讨论了它们的分类问题。
Besides shape of Pinus tabuleaformis Carr.,P.henryi Mast.and P.massoniana Lamb.,conferous dissect is examined by electron microscope.Based on these observation their characteritic tetails are given in diagnosis and seed key,con- iferous key and cone key to the three species are presented. In this paper are discussed taxonomic problem of the three species.
出处
《陕西林业科技》
北大核心
1989年第1期19-23,共5页
Shaanxi Forest Science and Technology
