POLLINATOR ATTRACTION BY DAVIDIA INVOLUCRATA .Ⅰ. COLOR Studies on chemical constituents from Davidia involucrata var. vilmoriniana Research on the protection of Davidia involucrata populations, a rare and endangered plant endemic to China Study on Genetic Diversity of RAPD Mark for Natural Davidia involucrata Population A Preliminary Study on thein Vitro Culture of Endangered Plant Davidia involucrata Baill. Study on Relations of Seed Dispersal, Germination and Age-Class Distribution of Population in Davidia involucrata Population quantitative characteristics and dynamics of rare and endangered plant Davidia involucrata in Hunan Province The Activity of Principal Antioxidant Enzymes and the Content of Metabolites in Dormancy Breaking and Germination of Davidia involucrate Seeds A Preliminary Study on thein Vitro Culture of Endangered Plant Davidia involucrata Baill. Intranuclear Inclusions in Leaf Mesophyll Cells of Davidia involucrata Relationship between human activities and survival of rare and endangered species Davidia involucrata A RPELIMINARY ECOLOGICAL STUDY OF DAVIDIA INVOLUCRATA COMMUNITIES AT LONGCHI REGION IN DUJIANGYAN COUNTY OF SICHUAN PROVINCE ON THE ALLOZYMIC LOCI VARIATION OF DAVIDIA INVOLUCRATA Structure and Regeneration of Davidia involucrata Communities at Wolong Region, Sichuan Province Leaf functional traits of Davidia involucrate at Houhe Nature Reserve in Hubei Community Structure Features of Davidia involucrata var.vilmoriniana(Davidiaceae) in Changyang county Hubei Province OBSERVATION OF THE LEAF STRUCTURE OF TWO DAVIDIA INVOLUCRATA BAILL SPECIES Genetic Diversity of the Endangered Davidia involucrata by AFLP Analysis Genetic Diversity of the Endangered Davidia involucrata by AFLP Analysis Genetic Diversity of Davidia involucrata Populations Detected by Using ISSR Markers Intraspecific and Interspecific Competition in Davidia involucrata (Davidiaceae) Community INFLUENCE OF CLIMATE CHANGES ON GEOGRAPHICAL DISTRIBUTION OF DAVIDIA INVOLUCRATA, THE PRECIOUS AND ENDANGERED SPECIES NATIVE TO CHINA Construction of cDNA Library and Analysis of the Expressed Sequenced Tags (ESTs) Characteristics of Dormant Seeds of Davidia involucrata Callus Induction and Preliminary Study of Cell Suspension Culture in an Endangered Plant,Davidia involucrata SAMPLING STRATEGY FOR PRESERVATION OF GERM PLASM FROM DAVIDIA INVOLUCRATASONG Study on Chemical Components of Davidia involucrata Baill. Native to China The Activity of Principal Antioxidant Enzymes and the Content of Metabolites in Dormancy Breaking and Germination of Davidia involucrate Seeds