本文研究了蚊子草的化学成分,采用溶剂提取法从蚊子草中提取出有效成分,利用元素分析、红外光谱法、核磁共振法以及质谱法进行分析......

Pollen grains from 15 species (18 taxa) of the genus Filipendula were examined with light and scan-ning electron microsc......