Position-dependent sex allocation within inflorescence of Aconitum gymnandrum Maxim Does the relative importance of resource competition and architectural effect in floral variation vary with stages of floral ontogeny? Intra-inflorescence sex expression and allocation in Camptotheca acuminata Variation in Floral Sex Allocation and Reproductive Success in Sequentially Flowering Inflorescence of Corydalis remota var. lineariloba (Fumariaceae) Effects of the Position on Floral Traits and Reproductive Success of Comastoma pulmonarium (Gentianaceae)