The Taxonomical Study Of Lespedeza Michx.in Henan

In this dissertation, the senior's study history of Lespedeza Michx. was reviewed and summarized. Based on evidence from morphology and geography, the toxonomical revision of Lespedeza Michx. in Henan were studied.19 species and 2 subspecies of Lespedeza in Henan were recognized. Among them, 3 species, Lespedeza fordii Schindl., Lespedeza maximowiczii Schneid. and Lespedeza davidii Franch., were new recorded to Henan. 3 species, Lespedeza dunnii Schindl., Lespedeza viatorum Champ.ex Benth. and Lespedeza potaninii Vass., are added in Flora of Henan. 2 subspecies, Lespedeza dunnii Schindl. subsp. metcalfi (Riker) Y. K. Yang et D. C.Zhang and Lespedeza daurica (Laxm.)Schindl. subsp. huangheensis C. J. Chen., were added in Flora of Henan and Flora of China. A name, Lespedeza bicolor Turcz. subsp. formosa (Vog.) Hus,X. Y. Li et D. X. Gu., was treated as a new synonym of Lespedeza formosa (Vog.) Koehne. A name, Lespedeza bicolor Turcz. subsp. elliptica(Benth. ex Maxim.) Hus,X. Y. Li et D. X. Gu., was treated as a new synonym of Lespedeza bicolor Turcz.. A species, Lespedeza hedysaroides Kitag. in Flora of Henan, is not distributed in Henan.Moreover, an artificial key to the species of Lespedeza in Henan was made. Their distributions and habits and main uses were described. The names of some species was discussed. The geographical maps of several species in Henan were made.