Tissue Culture and Rapid Propagation of Rare Plant in Codariocalyx motorius(Houtt.) Effects of nitrogen,phosphorus,and potassium on seedling growth and stachydrine and total alkaloid from Leonurus japonicus Study on Q-Marker of Leonurus japonicus and Penthorum chinense based on basic conditions of Q-Marker Advance in studies on chemical components, pharmacological effect and clinical application of Leonurus japonicus Comparative Studies on Essential Oil of Myristica fragrans Houtt. Factors Affecting High-frequency Induction of Hair-like Roots of Reynoutria Japonica Houtt. Aliphatic compounds from Leonurus japonicus GC-MS analysis of essential oil from Nutmeg processed by different traditional methods AFLP Analysis of genetic diversity of Leonurus japonicus germplasm resources Systematic position of Reynoutria and Polygonum sibiricum inferred from sequences of chloroplast trnL-F and matK Meiosis Observation of Rumex japonicus Houtt.(Polygonaceae)