以下为句子列表：
英文: Abstract: The pollen morphology of 5 species of Corydalis from northeast China was observed and compared by SEM.The results declared the shape and size of the pollen and exine sculpture of the 5 species were basically stable and could serve as a taxonomic
中文: 文摘:用扫描电镜对东北延胡索极其近缘植物的花粉形态进行了观察，结果发现花粉粒在形状、大小、外壁纹饰、沟的长短及宽度等方面均有区别，从中获得了东北延胡索及其近缘植物分类方面的孢粉学依据.因此花粉的特征可用于区别延胡索类植物.
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英文: It consists of an air-filled protuberance on each side of the pollen grain developed by the separation of the exine layers, giving the pollen a characteristic winged appearance.
中文: 它是花粉粒外壁向外扩展而形成的囊状结构，在花粉粒两侧呈翅状，其内充满空气。
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英文: -colporate pollen with one pseudocolpus on each side of colpus, and with reticulate exine ornamentation.
中文: 具 孔沟,沟两侧各有条假沟,外壁具网状纹饰。
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英文: The pollen grains of the genus are spheroidal, 8.9～ 9.7μm in diameter, usually -pores. The exine is -layers, .0～.μm in thick, and sexine thecker than nexine or almost equal. The ornamentation of exines are granulate, streaky and spinate.
中文: 本属花粉粒扁球形,大小为8.9～ 9.7μm,通常具 孔,外壁厚.0～.μm,两层,外层厚于内层或两层几等厚,表面具颗粒状、小刺状或条脊状纹饰。
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英文: the pollen grain of B.bipinnata is prolate(spheroidal) and the size is 7.0μm×.7μm with -colposate,the pollen exine sculpture with thin echinate.
中文: 婆婆针(B.bipinnata)的花粉粒为长球形,大小为 7.0μm×.7μm,具三孔沟,花粉粒表面具稀疏的刺状雕纹。
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