Corrigendum: Divergent Responses of Floral Traits of Lonicera nervosa to Altitudinal Gradients at the Eastern Margin of Hengduan Mountains - Chen, Wenkai; Wang, Lihua; Wang, Jinniu; Joshi, Srijana; Xiang, Shuang; Tariq, Akash; Liu, Xiaodan; Liao, Yuchen; Wu, Yan (Frontiers in Ecology and Evolution, 2021)