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Life table analysis of Tsuga longibracteata population Water Storage Capacity of Coarse Woody Debris in Different Tsuga longibracteata Mixed Forests in Tianbaoyan Nature Reserve Chemical constituents in leaves of Vaccinium bracteatum and their anti-complementary activity Ecological Niche in Dominant Species in Tsuga longibracteata Forest Gaps with Different Development Stages Floristic Analysis of a Tsuga longibracteata Community in Fujian Province STUDIES ON KERNEL DENSITY ESTIMATION OF SPECIES ABUNDANCE DISTRIBUTION IN TWO COMMUNITIES OF RARE AND ENDANGERED PLANTS Effect of Frego Bract Gene on Economic Properties of Cotton Hemiboea rubribracteata Z. Y. Li & Yan Liu, a new species of Hemiboea (Gesneriaceae) from Guangxi, China Chirita tribracteata var. zhuana Z. Y. Li, Q. Xing & Y. B. Li (Gesneriaceae), a new variety from Guangxi, China Studies on chemical constituents from leaves of Vaccinium bracteatum Seed dimorphism and germination behavior of Atriplex micrantha，an annual inhabiting Junggar desert New Taxon of Krascheninnikovia(Chenopodiaceae) from Xinjiang China Effects of Drip Irrigation on Photosynthetic Characteristics of Leaves and Bracts in Cotton at Late Growth Stage Chemical constituents from inflorescence bracts of Arctii Fructus Study on species abundance distribution m odel of the race and endangered plant Tsuga longibracteata community Three new species of Piperaceae from Thailand Critical notes on some taxa of Cymbidium Two new species of the genus Dendranthema (DC.) Des Moul. from China New Plants of Gesneriaceae from Guangxi and Guizhou of China (Cont. II) A New Species of Spiradiclis ( Rubiaceae) from Guangxi A New Morphological Interpretation of the Female Reproductive Organs in Ginkgo biloba L., with a Phylogenetic Consideration on Gymnosperms Two New Species of Morina L. from China STUDIES ON MORPHOLOGY AND EMBRYOLOGY OF ACANTHOCHLAMYS BRACTEATA Ⅱ. THE ANTHER AND OVULE DEVELOPMENT Additions to the Orchidaceae of China Studies on the Inheritance of Flaring-Bract in Upland Cotton Studies on the Chemical Constituents of? Yuexiandaji (Euphorbia ebracteolata) Study on chemical constituents from ethyl acetate extract of Myricaria bracteata Growth Dynamics of Dominance of Rare and Endangered Tsuga lorgibracteata Population A new species of the extinct genus Austrohamia(Cupressaceae s.l.) in the Daohugou Jurassic flora of China and its phytogeographical implications A NEW VARIETY OF VIBURNUM FROM SHANDONG PROVINCE Morphology of the bracts of Elatostema(Urticaceae)and the evolutionary trends in them A NEW VARIETY OF HEMEROCALLIS FROM JILIN, CHINA Germination and Seeding Growth of Atriplex verrucifera Bieb.under NaCl Stress Studies on chemical constituents in herb of Myricaria bracteata Extraction of corn-bract flavonoid and related antioxidative activity Rediscovery of Camellia grandibracteata (Theaceae) with Emendate Description Bracts and bracteoles Morphology of Pleurospermum Hoffm. in Kun-Lun Mountains and Its Taxonomic Significance Studies on Chemical Constituents of the Plant Fritillaria unibracteata Studies on Active Constituents of Root of Euphorbia ebracteolata Hayata Euphorbiaceae Dynamic Change of Stomatal Density and Stomatal Index on the Flower during Canna generalis Bailey Development Effect of Number of Short-day on Flowering and Visual Quality of Poinsettia Effect of Number of Short-day on Flowering and Visual Quality of Poinsettia A STUDY ON THE DENSITY EFFECT MODEL OF RARE AND ENDANGERED TSUGA LONGIBRACTEATA POPULATION A new flavone from stems of Garcinia bracteata and its anti-TMV activity Chemical composition of Fissistigma bracteolatum Three new species and one new variety of Elatostema J.R.& G.Forst.(Urticaceae)from Guangxi Four newly recorded Gesneraceous species from Vietnam Two New Species of Roscoea (Zingiberaceae) from Sichuan A New Species of Gongronema (Asclepiadaceae) from Guizhou Anatomical Morphologies of Helichrysum bracteatum (Vent.) Andr.Involucral Bracts under Dry and Humid Circumstances Additional Notes on Chinese Smilax Some New Taxa of Charophyta in China Morphology of the bracts of Elatostema(Urticaceae)and the evolutionary trends in them Study on the Bract Abaxial Epidermis of the Genus Scirpus from Shandong Province Taxonomic Revision of the Genus Rehmannia Phylogeny and Evolution of Bracts and Bracteoles in Tacca (Dioscoreaceae) Studies of Songbeinone, A New Fritillaria Alkaloid Identified from the Bulb of Fritillaria unibracteata Chemical constituents from Vaccinium bracteatum Studies on Chemical Constituents of Euphorbia ebracteolata Ilayata Comparison　of　Pharmacological　Effects　Between　Cultispecies　Sichuan　Fritillary　Bulb (F.wabueasis,F.mellea)and　Wild　Sichuan　Fritillary　Bulb(F.unibracteata) The Photosynthetic Response of Musella lasiocarpa and M. lasiocarpa var. rubribracteata to Light Intensity and CO₂ Concentration A Cytological Study on Acanthochlamys bracteata P. C. Kao (Acanthochlamyaceae) Cladistics and Biogeography of Artemisia sect. Viscidipubes and sect. Albiraotea (Compositae) A study on the interspecies competition in Tsuga longibracteata forest Seedling establishment of Tsuga longibracteata in different location of forest gap Studies on chemical constituents of Euphorbia fischeriana THE KARYOTYPE ANALYSIS OF TSUGA LONGIBRACTEATA AND ITS TAXONOMIC SIGNIFICANCE A NEW SPECIES OF ALETRIS(LILIACEAE) FROM GUIZHOU Studies on Fat Soluble Constituents of the Leaves of Vaccinium bracteatum Thunb. Ontogeny and Metamorphic Patterns of Female Reproductive Organs of Ephedra sinica Stapf (Ephedraceae) Cone and Ovule Development in Platycladus orientalis (Cupressaceae) (in English) A Proposed Multidimensional Time Series Model of Individual Age and Diameter in Tsuga longibracteata NEW TAXA OF OPHIOPOGON FROM YUNNAN SIX NEW SPECIES OF IMPATIENS FROM -SICHUAN A NEW VARIETY OF VACCINIUM BRACTEATUM Protective effect of fisetin from Rosa bracteata on myocardial injury induced by high iron Variation of phenology and bulbs of Fritillaria unibracteata along altitudinal gradients Species Nova Santalacearum e Prov. Yunnan Growth and Physiological Responses of Melaleuca bracteata cv.‘Revolution Gold’ to Water Stress Reproductive organ variation in Fritillaria unibracteata along an altitudinal gradient