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首页> 外文期刊>Protoplasma: An International Journal of Cell Biology >Comparison of the structure of floral nectaries in two Euonymus L. species (Celastraceae)
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Comparison of the structure of floral nectaries in two Euonymus L. species (Celastraceae)

机译：两种卫矛属（Celastraceae）花蜜的结构比较

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摘要

The inconspicuous Euonymus L. flowers are equipped with open receptacular floral nectaries forming a quadrilateral green disc around the base of the superior ovary. The morphology and anatomy of the nectaries in Euonymus fortunei (Turcz.) Hand.-Mazz. and Euonymus europaeus L. flowers were analysed under a bright-field light microscope as well as stereoscopic and scanning electron microscopes. Photosynthetic nectaries devoid of the vascular tissue were found in both species. Nectar was exuded through typical nectarostomata (E. fortunei) or nectarostomata and secretory cell cuticle (E. europaeus). The nectaries of the examined species differed in their width and height, number of layers and thickness of secretory parenchyma, and the height of epidermal cells. Moreover, there were differences in the location and abundance of nectarostomata and the content of starch and phenolic compounds.
机译：不显眼的卫矛花配备开放的接收花蜜，在上卵巢的基部周围形成四边形的绿色圆盘。 Euonymus fortunei（Turcz。）Hand.-Mazz中蜜腺的形态和解剖。在明场光学显微镜以及立体和扫描电子显微镜下分析了欧洲百合和欧洲卫矛（Euonymus europaeus L.）花。在两个物种中都发现了缺乏维管组织的光合蜜腺。花蜜通过典型的油桃（E. fortunei）或油桃和分泌性细胞角质层（E. europaeus）渗出。被检查物种的蜜腺在宽度和高度，分泌薄壁组织的层数和厚度以及表皮细胞的高度方面有所不同。此外，油桃的位置和丰度以及淀粉和酚类化合物的含量也存在差异。

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