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 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] >>