Effects of Soil Nutrients on Plasticity of Floral Characteristics in Iris japonica Thunb. Pollen Germination Percentage and the Floral Character of Five Bamboo Species sup>Effect of different habitats and floral characteristics on fruit set in Epimedium wushanense Genetic Analysis of Floral Characters in A DH Population Derived from An indica/japonica Cross of Rice A Taxonomic Revision of Actinidia umbelloides C.F.Liang