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首页> 外文期刊>Sbornik Narodniho Muzea v Praze, Rada B. Prirodovedecka >IN SITU POLLEN OF ALASIA, A SUPPOSED STAMINATE INFLORESCENCEOF TROCHODENDROIDES PLANT
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IN SITU POLLEN OF ALASIA, A SUPPOSED STAMINATE INFLORESCENCEOF TROCHODENDROIDES PLANT

机译：原产于阿拉斯加的花粉，是拟南芥对虾生长的致死力

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摘要

Genus Alasia GOLOVNEVA, 2006 includes staminate inflorescences repeatedly found together with Trochodendroides type leavesand Trochodendrocarpus - Joffrea type infructescences and is considered as the most probable pollen organ of the Trochodendroides plant.In situ pollen grains were extracted from the anthers of two Alasia flowers and detached stamens of cf. Alasia from the Paleocene of AmurProvince, Russian Far East. The morphology of the flowers was interpreted as the fascicles of stamens with dorsifixed introrse anthersadpressed to the subtending bract before exsertion. The pollen grains are small tricolpate with long colpi and a variably microreticulate toverrucate-scabrate ornamentation. Alasia differs from Cercidiphyllum in both staminate structures and pollen morphology suggesting hama-melid affinities.
机译：Alasia GOLOVNEVA属（2006）包括反复发现的具花序的花序与Trochodendroides型叶和Trochodendrocarpus-Joffrea型花序，被认为是Trochodendroides植物的最可能的花粉器官，原位花粉是从两株Alasia花和分离的雄蕊的花药中提取的。的。来自俄罗斯远东地区AmurProvince的古新世的Alasia。花的形态被解释为雄蕊的束生，具雄蕊固定的内花药在膨大前被对生片。花粉粒是小的三colopate，具有长的colpi，并且具有微细的网状，以微藻状装饰。阿拉西亚在小脑的结构和花粉形态上都不同于蜡木，这表明哈马融合的亲和力。

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