Affiliation: | State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China (X.Y., X.-G.Z., C.-Q.L., J.L., Z.-J.Q., Y.D., Y.-Z.W.) and;University of Chinese Academy of Sciences, Beijing 100049, China (X.-G.Z., C.-Q.L., J.L., Y.-Z.W.) |