Flower Duration and Reproductive Allocation in Different Altitudinal Populations of Aconitum gymnandrum (Ranunculaceae) Phytochemical Evidence Related to the Phylogeny of Aconitum gymnandrum Maxim. Phytochemical Evidence Related to the Phylogeny of Aconitum gymnandrum Maxim. Position-dependent sex allocation within inflorescence of Aconitum gymnandrum Maxim Pollination ecology of Aconitum gymnandrum (Ranunculaceae) at two sites with different altitudes Changes in Reproductive Allocation after Expansion from the Glacial Refugium and Implications for the Distribution Range in the QinghaiTibet Plateau Native Herb, Gymnaconitum gymnandrum (Ranunculaceae)