Study on the Total Flavonoids Content in Leaves of Glyptostrobus pensilis Studies on Microsporogenesis and Development of Male Gametophytes in Endangered Species Glyptostrobus pensilis Study on the Growth Dynamics of Dominance of the Relict Plant Glyptostrobus pensilis Population The Population Life Table and Periodic Fluctuation of the Relict Plant Glyptostrobus pensilis Details of compressions of Glyptostrobus (Cupressaceae s.l.) from the Eocene of Fushun, NE China Megasporogenesis, Female Gametophyte Development and Embryogenesis in Critically Endangered Glyptostrobus pensilis Anatomy of Secondary Phloem of Glyptostrobus in Relation to Its Systematic Position