A Study on the Characteristics of the Growth and the Biomass of Clonal Ramets in Rhus typhina Effects of Light on the Growth and Clonal Reproduction of Ligularia virgaurea Production of male flowers does not decrease with plant size in insect-pollinated Sagittaria trifolia, contrary to predictions of size-dependent sex allocation Food deceptive pollination in Kaempferia rotunda (Zingiberaceae) GENETIC AND CLONAL DIVERSITY OF GLOBBA RACEMOSA, A HERB WITH A MIXED REPRODUCTIVE MODE The characteristics of clonal reproduction of rhizome from Alternanthera philoxeroides Effects of different nutrient sources on plasticity of reproductive strategies in a monoecious species, Sagittaria graminea (Alismataceae)