The exine is composed of tectum, columellae, foot layer and endexine.
花粉外壁由顶盖层、柱状层、底层及外壁层所组成。
The exine is composed of tectum, columellae, foot layer and endexine.
花粉外壁由顶盖层、柱状层、底层及外壁层所组成。
The exine of pollen wall is of different electron density, the nexine dense and the sexine, comprising tectum, bacules, and foot layer, relatively thin.
花粉壁的外壁分为外层和层,外层包括覆盖层、基粒棒和基足层等三层,层只包含一层。
(1)微型月季花粉具有3个萌发孔,极面观为三裂圆形;
Different cultivars showed different exine sculpture and fringes, luminas and verrucate.
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