Pollinarium Morphology of 12 Species of Cynanchum(Asclepiadaceae) Microsporogenesis and Male Gametophyte Development of Cynanchum otophyllum Schneid Megasporogenesis and Development of Female Gametophyte in Cynanchum otophyllum Schneid Effects of water stress on the growing and accumulation of osmolyte of Cynanchum komarovii Study on diurnal changes of photosynthesis and transpiration of Cynanchum komarovii and Glycyrrhiza uralensis in different stage Effects of drought stress on system of defense enzymes and RWC and membrane electrolyte in Cynanchum komarovii seedlings Effects of soil water stress on contents of chlorophyll,soluble sugar,starch,C/N of two desert plants (Cynanchum komarovii and Glycyrrhiza uralensis) Chemical constituents from active fraction in roots and rhizomes of Cynanchum paniculatum with reversal activity of multidrug resistance Hypnotic effect of Chinese materia medica Cynanchum chinese in mice Studies on Chemical constituents from root of Cynanchum atratum Study on genetic diversity of Cynanchum otophyllum in Yunnan by AFLP COMPARISON OF MICRO-METEOROLOGICAL CHARACTERISTICS OF DIFFERENT STAGE IN DESERTIFICATION AREA ERDUOSI THE FLAVONOL CONSTITUENTS OF CYNANCHUM THESIOIDES VAR. AUSTRALE NEW MATERIALS OF ASCLEPIADACEAE FROM CHINESE HENGDUANSHAN REGION Experimental Study of Anti-injurous Effect of Cynanchum auriculatum Royle ex Wight on Ozonic Toxicity Isolation and Physico-chemical Properties of Polysaccharides from the Root of Cynanchum ouriculatum Royle ex Wight Three New C21 Steroidal Glycosides from Cynanchum komarovii (Asclepiadaceae) Seeds Germination of Cynanchum otophyllum (Asclepiadaceae) Endemic to China Study on C21 steroidal glycosides of Cynanchum atratum by LC-MS Structural Features of a Neutral Heteropolysaccharide CPB-4 from Cynanchum paniculatum Pollinarium Morphology of 17 Species and 1 Subspecies of Cynanchum(Asclepiadaceae) STUDIES ON THE CONSTITUENTS OF CYNANCHUM OFFICINALE (HEMSL.) TSTANG ET ZHENG Studies on Antitussive , Expettorant and Anti-astkinatic Effects ofCynanchum glaucescens (Decne. ) Hand. -Mazz. Studies on in vitro Antitumor Activity of Total Steroidal Glycoside from the Root of Cynanchum auriculatum Analgesic Effect and Gastro-intestinal Motility Inhibitory Action of 3-Hydroxy-4-methoxy-acetophenone from Cynanchum paniculatum (Bunge) Kitagawa Determination of Paeonol in the Root of Cynanchum paniculatum (Bge.) Kitag. by GC Physiological Ecology Studies on Artemisia ordosica and Cynanchum komarovii in the Maowusu Sandland Cynanchum forrestii var.conduplicatum (Asclepiadaceae) A New Variety from Yunnan and Sichuan,China Content Determlnation of Nutrient Constltuents in Various Processed Samples of Cynanchum auriculatum Royle ex Wigkt C21 steroids from roots of Cynanchum otophyllum Inducing and culturing technology of callus in Cynanchum komarovii The Chemical Constituents from Cynanchum Komarovii Al. Ilinski Study on photosythetic characteristics of main constructive plants Cynanchum komarovii in Maowusu sandland Study on Daily Changes of Photosynthesis in Cynanchum bungei Anti-HIV activity and mechanism of Cynanchum otophyllum glucan sulfate in vitro Studies on the Chemical Constituents of Cynanchum stauntonii(Decne.)Schltr. ex Levl Studies on the Chemical Constituents of Cynanchum thesioides K. Schum Pollen and resource limitations to fruit set of Qingyangshen (Cynanchum otophyllum) The Floral Syndrome and Its Pollination in Cynanchum otophyllum (Asclepiadaceae) Study on photosynthetic physiology characteristic of Cynanchum komarovii under water stress Effects of water stress on photosynthetic pigment in leaves and chlorophyll fluorescence of Cynanchum komarovii Chemical constituents of ethnic medicine Cynanchum otophyllum Separation and identification of endophytic fungi from desert plant Cynanchum komarovii Effect of C21 teroidal glycoside from root of Cynanchum auriculatum on D-galactose induced aging model mice Tissue culture system of Cynanchum otophylum in genetic transformation Observation of above-ground part of Cynanchum paniculatum by scanning electron microscope STUDIES ON THE PHOTOSYNTHETIC CHARACTERISTICS AND ITS RELATIONSHIP TO YIELD IN RADIX Cynanchum bungei DECNE Notes on the Apocynales from Xizang Study on genetic diversity of Cynanchum otophyllum in Yunnan by AFLP Survey of resources of medicinal plants of Cynanchum L. in Gansu Province A New C21 Steroidal Glycoside from Cynanchum paniculatum STUDIES ON THE CHEMICL CENEMICAL CONSTITUENTS OF CYNANCHUM SACCATUM CHEMOTAXONOMY OF CYNANCHUM AND ITS ALLIED GENERA WITH NOTES ON THE GENERIC CHARACTERISTICS OF VINCETOXICUM THE CHEMICAL CONSTITUENTS OF CYNANCHUM AURICULATUM A Pharmacological Comparative Study on Baiqian and Baiwei Studies on chemical constituents in root tuber of Cynanchum auriculatum Effect of source-sink ratio changing on yield formation of Cynanchum bungei Isolation and Microbial Inhibition Activity of Endophytic Fungus from Cynanchum komarovii Chemical Constituents of Cynanchum chinense R.Br. Response of Plant Growth and Biomass Allocation to Grazing Disturbance in Desert Steppe of Ningxia Effects of root of Cynanchum bungei ethanolic extract on hepatoma HepG2 cells proliferation and apoptosis Accumulation and distribution of nitrogen,phosphorus,and potassium in Cynanchum bungei Decne and their relationships to dry matter production Studies on chemical constituents of Cynanchum forrestii Effects of three C21 steroidal saponins from Cynanchum auriculatum  on cell growth and cell cycle of human lung cancer A549 cells