Studies on the Vessel Elements of the Genus Sarcandra / 第二军医大学学报

The isolated vessel elements from the xylem in Chinese Sarcandra species were observed by scanning electron microscope and optical microscope. The vessel elements with simple pits or (and) bor dered pits or (and) scalariform pits or (and) circular-scalariform pits in their secondary walls are 1200-1900 in length and all have scalariform multiperforation plates in which the numbers of bars are between 60 to 160.