Keywords Hypericum;Secretory structure;Comparative anatomy;Ultrastructure;Developmental anatomy;TCL;HPLC;Hypericin;Leaf epidermal micro-morphology;Infrared spectrum;Nodule;Cavity;

• 金丝桃属;分泌结构;比较解剖;超微结构;发育解剖;薄层层析;高效液相色谱;金丝桃素;叶表面微形态;红外光谱;分泌细胞团;分泌囊;