The exine is composed of tectum, columellae, foot layer and endexine.
粉外壁由顶盖层、柱状层、底层及外壁
层所
。
粉粒外壁;孢子外壁The exine is composed of tectum, columellae, foot layer and endexine.
粉外壁由顶盖层、柱状层、底层及外壁层所。
The exine of pollen wall is of different electron density, the nexine dense and the sexine, comprising tectum, bacules, and foot layer, relatively thin.
粉壁的外壁分为外层
层，外层包括覆盖层、
粒
足层等三层，层只包含一层。
(1)微型月季粉具有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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，部分未经过人工审核，其表达
容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
