Comparative pollen morphology of Calycanthaceae for their taxonomic implication

N. Paudel, Kweon Heo
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引用次数: 3

Abstract

The pollen morphology of four species of Calycanthaceae is described based on the observation of scanning electron microscopy and light microscopy. All pollens are monad, large grain category. The pollen grain was elliptic with disulcate. Surface ornamentation is smooth. Pollen grains of each species are from the genus Sinocalycanthus, Calycanthus, Chimonanthus and Idiospermum. The basic shape of the pollen grains is elliptical. The pollen is spheroid in Calycanthaceae except in Idiospermum, which represent boat-shape. The circular shape was in polar views in Chimonanthus but equatorial shape in Sinocalycanthus. Idiospermum and Chimonanthus were smooth exine with micro-perforation but rugose exine in Sinocalycanthus and Chimonanthus. DOI: http://dx.doi.org/10.5281/zenodo.3763335
萼花科花粉形态的比较及其分类学意义
通过扫描电镜和光镜观察,对四种萼花科植物的花粉形态进行了描述。所有花粉都是单株,大粒类。花粉粒呈椭圆形,具波纹状。表面纹饰光滑。各种的花粉粒分别来自花萼花属、花萼花属、Chimonanthus属和Idiospermum属。花粉粒的基本形状为椭圆形。萼花科植物的花粉均为球形,但异生孢子粉的花粉呈船形。金花属植物的极观呈圆形,金花属植物的赤道观呈圆形。附孢子粉和鸡毛花的外壁光滑,有微孔,而鸡毛花的外壁粗糙。DOI: http://dx.doi.org/10.5281/zenodo.3763335
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