In Vitro Conservation of Rare and Endangered Emmenopterys henryi Oliv. Germplasm Studies on Chemical Constituents of Emmenopterys henrys Oliv. Native to China Studies on Four Kinds of Isozymes during Somatic Embryogenesis of Emmenopterys henryi Oliv Study on Anatomical Structure of Leaves of Rare Plant Emmenopterys henryi Oliv.