Taxonomy Significance Based on Pollen Morphology Observation of Five Species of Magnolia L. Including Magnolia wufengensis L. Y. Ma et L. R. Wang A new variety of Magnolia(Magnoliaceae) from Hubei,China Phylogenetic Relationship Between Magnolia wufengensis and Several Related Species in Subgenus Yulania Based on AFLP Marker Analysis STUDIES ON THE BOTANIC MORPHOTYPE AND ACTIVE CONSTITUENTS OF WUFENGJIANBEI Expression Analysis of MwAG in Different Organs and Developmental Stages of Magnolia wufengensis Optimal Light Regime for the Rare Species Magnolia wufengensis in Northern China A new species of Magnolia(Magnoliaceae) from Hubei, China