在攀枝花苏铁中发现导管

Vessels discovered in Cycas panzhihuaensis L.Zhou et S.Y.Yang

攀枝花苏铁的根、叶柄、羽片的木质部用乔菲氏液进行解离,在光学显微镜下观察,发现了形态各异的导管:有环纹导管、螺纹导管、梯纹导管、网纹导管和孔纹导管.

Roots, petioles and pinnas of Cycas panzhihuaensis were dissociated by the nitric acid-chrome acid solution and observed in optical microscope. The various morpha vessels were discovered in the xylem of the root, petiole and pinna such as annular vessels, spiral vessels, scalariform vessels, reticulate vessels, pitted vessels, and so on.