油杉

光學(xué)顯微鏡:從極面看,體橢圓形,氣囊較小,半圓形;從側(cè)面看,二氣囊展開的角度較大。花粉粒長(zhǎng)113～130微米;體長(zhǎng)80～88μ;體高59～71微米。×400LM:Corpusofthegrainellipticalinpolarview,saccitrelativelysmallandhemispherical,withawideanglebet-weenthesacciinlateralv ......（本文共 371 字 , 2 張圖）     [閱讀本文] >>