Acknowledgments
We thank the State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences (Beijing, China), for providing laboratory facilities. This work was supported by the National Natural Science Foundation of China (NSFC) (32130008) and Ministry of Science and Technology (2021YFD1200101-02) awarded to G.S., National Research Council, Sri Lanka (NRC 15–108) awarded to D.R., National Science Foundation, Sri Lanka (OSTP/2016/53) awarded to A.T. and (OSTP/2016/54) awarded to S.S., and the MUM-ASEAN Sustainable Development Research Grant (ASEAN-2019-01-SCI) awarded to B.K. We thank Zhe Cai, Mu-Fan Geng, Qing-Lin Meng, Gayani Galhena and M. D. Nirmani for their technical assistances and helpful comments on the manuscript.