Outcrossing Rates in 6 Natural Populations of Sorbus pohuashanensis Population genetics and breeding system of Tupistra pingbianensis (Liliaceae), a naturally rare plant endemic to SW China Better than nothing: Evolution of autonomous selfing under strong inbreeding depression in an alpine annual from the Qinghai–Tibet Plateau SEXUAL INTERFERENCE IN COSEXUAL PLANTS AND ITS EVOLUTIONARY IMPLICATIONS THE EFFECT OF INBREEDING ON SEED GERMINATION AND SEEDLING HEIGHT GROWTH OF CHINESE FIR MATING SYSTEM AND INFERRED INBREEDING DEPRESSION OF A CYCLOBALANOPSIS GLAUCA POPULATION IN DIAOQIAO,HUANGSHAN Mating System Evolution, Resource Allocation, and Genetic Diversity in Plants