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In Gastrochilus the lip is semiglobose-saccate with indistinct side-lobes and a much larger mid-lobe, the column is footless and the pollinia are porate, while in Saccolabium the lip is cylindrical-spurred with indistinct side-lobes and a small mid-lobe, the column has a short foot and the pollinia are solid.
盆距兰属的唇瓣为半球形囊状，侧裂片不明显，中裂片甚大；蕊柱无足；花粉团具孔隙。囊唇兰属的唇瓣为圆筒状距形，侧裂片明显，中裂片很小；蕊柱有短足；花粉团实心。
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It is the first time that these phenomena were observed: Two nuclei are surrounded by plasma and locate at the central of the female gametophyte and the others nuclei are positioned at the fringe of the female gametophyte; Before the pollen tube enters the female gametophyte. the nuclei in chalazal end begin splitting of plasma and form multinuclear cell.4. The pollens of Gnetumc are spherical or applanate with single aperture. The ornamentation of exine is spine. The basis part of spine is lenience and the top part of spine is tip or obtuse sphere.
首次在买麻藤属植物的雌配子体中观察到2个游离核位于配子体的中央位置，且被一团原生质所包围的，其余的游离核位于边缘的现象以及花粉管进入雌配子体前，合点端的核已经发生胞质分裂形成多核细胞的现象 4、买麻藤的花粉近球形或扁平型，有单萌发孔，外壁表面具小刺状纹饰，小刺基部宽大，末端尖或钝圆。
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anatropous ovule：侧面著生的胚珠
08. Pollinium. 花粉团块 | 09. Anatropous ovule. 侧面著生的胚珠 | 10. Orthotropous ovule. 直立著生的胚珠
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pollinium：花粉团块
07. Free pollen grains. 分离的花粉粒 | 08. Pollinium. 花粉团块 | 09. Anatropous ovule. 侧面著生的胚珠
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pollinium：花粉团
pollinator 授粉器 | pollinium 花粉团 | polyaccrylamida 聚丙烯酰胺
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pollinarium：花粉团
pollen tube nucleus 花粉管核 | pollinarium 花粉团 | pollinating agent 传粉者
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pollinating agent：传粉者
pollinarium 花粉团 | pollinating agent 传粉者 | pollinating insect 花粉媒虫