STUDY ON VARIATION IN BAMBOO WOOD PROPERTIES OF PHYLLOSYACHYS HETEROCYCLA VAR.PUBESCENS Fruiting Characteristics and Sexual Fecundity of Toona ciliata var. pubescens Populations in Jiulianshan National Nature Reserve Genetic diversity of central and peripheral populations of Toona ciliata var. pubescens, an endangered tree species endemic to China Ecogeographical Distribution of Toona ciliata var. pubescens and Preliminary Observation on its Introduction in Nanjing Spatial Genetic Structure of Toona ciliata var. pubescens Populations in Terms of Spatial Autocorrelation Analysis Effects of Water Stress on Seedling Growth and Biomass Allocation of Toona ciliata var. pubescens Study on Community Characters of Toona ciliata var. pubescens Natural Forest Two New Species of Roscoea (Zingiberaceae) from Sichuan A New Variety of Yulania Spach from Henan Characteristics of Phosphorus Utilization in Families of Toona ciliata var. pubescens A STUDY ON THE CONTROL THRESHOLD OF CERACRIS KIANGSU TSAI