BpFLC coordinates seasonal and age-related flowering in Betula platyphylla through environmental cues and epigenetic regulation - Yi Liu; Sui Wang; Tangchun Zheng; Huiying Suo; Di Xiao; Dong Zeng; Xiangling You; Heike W. Sederoff; Vincent L. Chiang; Xiyang Zhao; Ronald R. Sederoff; Guanzheng Qu (Proceedings of the National Academy of Sciences, 2026)