Establishment and optimization of ISSR reaction system for Anoectochilus formosanus ISSR analysis of genetic background of triploid female and diploid male strains of Siraitia grosvenorii Genetic Relationships of Notholirion and Genetic Diversity of N.bulbuliferum in China Revealed by ISSR Markers Establishment and optimization of ISSR reaction system for Anoectochilus formosanus