油杉

光学显微镜:从极面看,体椭圆形,气囊较小,半圆形;从侧面看,二气囊展开的角度较大。花粉粒长113～130微米;体长80～88μ;体高59～71微米。×400LM:Corpusofthegrainellipticalinpolarview,saccitrelativelysmallandhemispherical,withawideanglebet-weenthesacciinlateralv ......（本文共 371 字 , 2 张图）     [阅读本文] >>