Resin canal 第1页

Anatomical Comparison of Resin Canals in Pinus yunnanensis with Different Oleoresin Yield Anatomical Structure of Vegetative Organs of Ginkgo biloba L. Formation and Distribution of Resin Canals in Beautiful Sweetgum Stem(Liquidambar formosana) by Mechanical or Chemical Injury Geographical Origin and Evolution of Masson Pine