Pollen and resource limitations to lifetime seed production in a wild population of Ceratoides arborescens Pollen and resource limitations to lifetime seed production in a wild population of the endangered plant Disanthus cercidifolius Maxim. var.longipes H.T.Chang(Hamamelidancae) Recruitment limitation of plant population: from seed production to sapling establishment Impacts of arbuscular mycorrhizal fungi and phosphorus on growth dynamics of Bauhinia faberi seedlings Pollen and resource limitations to fruit set of Qingyangshen (Cynanchum otophyllum) Variation in Floral Sex Allocation and Reproductive Success in Sequentially Flowering Inflorescence of Corydalis remota var. lineariloba (Fumariaceae) Pollen and Resource Limitation in Veratrum nigrum L. (Liliaceae), an Andromonoecious Herb