柳杉

光学显微镜:花粉粒球形,具一微弯曲的圆锥形突起。直径约22.5微米。外壁两层,表面具模糊的颗粒状纹饰。×1320LM:Pollengrainspherical.withacurvedconicalprojectionatoneside.±22.5μ.Exinedou-blelayered,surfaceprovidedwithfaintgranulartexture.×1320扫描电镜:突起基 ......（本文共 557 字 , 7 张图）     [阅读本文] >>