CADAMBINE, MAJOR ALKALOID OF THE BARK OF ANTHOCEPHALUS CHINENSIS Molecular Cloning and Expression Analysis of α-Expansin Genes in Anthocephalus chinensis Effect of nocturnal low temperature on the active oxygen metabolism in the leaves of two tropical seedings Cloning and Sequence Analysis of Expansin gene from Cambium of Anthocephalus chinensis Light energy utilization and dissipation in seedlings of three tropical rain forest tree species with different ecological habits