《世界秋海棠分类及系统(英文版)》主要讲述秋海棠的植物分类学方面的基本知识。秋海棠是一个泛热带和巨大的多样性属，具有园艺和药用价值。作为被子植物中第五大属，海棠已经发展了1925种丰富的品种。秋海棠有48个科14个亚属，主要分布在热带地区非洲，美洲和亚洲。

税玉民Yu-Min Shui，a professor at Kunming Institute of Botany,Chinese Academy of Sciences．He is en-gaged in biodiversity of seed plants and taxonomy of Begoniaceae，Balsaminaceae，and Gesneria-ceae．He joins the basic survey of vegetation of SE Yunnan．Up to now，he has described morethan 50 new species of Begonia，and publishedBegonia ofChinain 2017．

PART l TAXONOMY AND SYSTEM OF BEGONIAS
CHAPTER 1 MORPHOLOGY
Section 1 Description of the Main Morphological Characters in Begonia L
Section 2 Morphological Variaion within Begonia Species
CHAPTER 2 GEOGRAPHY AND ECOLOGY
Section l Geographical Distribution of Begonia L
Section 2 Main Niches of Begonia L
CHAPTER 3 SYSTEMATICS
Section 1 Main Taxonomic Systems of Begonia L.in Begoniaceae
Section 2 Introduction to System of Klotzsch (1855)
Scetion 3 Introduction to System of C.B.Clarke (1881)
Section 4 Updated System Based on Whole Chloroplast Genome
Section 5 Differences between the Updated System and Previous Systems
CHAPTER 4 TAXONOMY
Section l Rules of Establishing the Updated Taxonomy
Section 2 Updated Synopsis ofthe Genus Begonia L
Section 3 Unsolved Taxa without Definite Systematic Position
PART 2 TAXONOMICAL SYSTEM OF BEGINIA L
CHAPTER 5 SUBGENUS IBEGONIA SUBG.EXALABEGONIA
Subgenus Ⅰ Begonia subg.Exalabegonia(Warb.)Y.M.Shui&W.H.Chen
Section 1 Begonia sect.Exalabegonia Warb
CHAPTER 6 SUBGENUS II BEGONIA SUBG.MEZIEREA
Subgenus Ⅱ Begonia subg.Mezierea(Gaud.)YM.Shui＆W.H.Chen
Section 2 Begonia sect.Muscibegonia A.DC
Section 3 Begonia sect.Erminea A.DC
Section4 Begonia sect.QuadrilobariaA.DC
CHAPTER 7 SUBGENUS IIIBEGONIA SUBG.LOASIBEGONIA
Subgenus Ⅲ Begonia subg.Loasibegonia(A.DC.)YM.Shui&W.H.Chen
Section 5 Begonia sect.Chasmophila J.J.de Wilde＆Plana
Section 6 Begonia sect.Cristasemen J.J.de Wilde
Section 7 Begonia sect.Filicibegonia A.DC
Section 8 Begonia sect.Loasibegonia A.DC
CHAPTER 8 SUBGENUS IVBEGONIA SUBG.TETRAPHILA
Subgenus Ⅳ Begonia subg.Tetraphila(A.DC.)Y.M.Shui&W.H.Chen
Section 9 Begonia sect.Baccabegonia Reitsma
Section 10 Begonia sect.Squamibegonia Warb
Section 11 Begonia sect.Tetraphila A.DC
CHAPTER 9 SUBGENUSVBEGONIA SUBG.SEXALARIA
Subgenus Ⅴ Begonia subg.Sexalaria(A.DC.)Y.M.Shui&W.H.Chen
Section 12 Begonia sect.Sexalaria A.DC
CHAPTER 10 SUBGENUS VI BEGONIA SUBG.PRITZELIA
Subgenus Ⅵ Begonia subg.Pritzelia(Klotzsch)Y.M.Shui&W.H.Chen
Section 13 Begonia sect.Gaerdtia(Klotzschl A.DC
Section 14 Begonia sect.Tetrachia Brade
Section 15 Begonia sect.Pritzelia(Klotzschl A.DC
CHAPTER 11 SUBGENUS VII BEGONIA SUBG.AUGUSTIA
Subgenus Ⅶ Begonia subg.Augustia(Klotzsch)Y.M.Shui&W.H.Chen
Section 16 Begonia sect.Augustia fKlotzsch)A.DC
CHAPTER 12 SUBGENUS VIIIBEGONIA SUBG.GOBENIA
Subgenus Ⅷ Begonia subg.Gobenia(A.DC.)Y.M.Shui&W.H.Chen
Section 17 Begonia sect.Eupetalum(Lindl.)A.DC
Section 18 Begonia sect.Austra胁L.B.Sm.＆B.G.Schub
Section 19 Begonia sect.Gobenia A.DC
CHAPTER 13 SUBGENUS IX BEGONIA SUBG.BEGONIA
Subgenus Ⅸ Begonia subg.Begonia，auto nom
Section 20 Begonia sect.Microtuberosa Moonlight＆Tebbitt
Section 21 B印nia sect.B印行记aut
CHAPTER 14 SUBGENUS X BEGONIA SUBG.GIREOUDIA
Subgenus Ⅹ Begonia subg.Gireoudia(Klotzsch)H_Peng
Section 22 Begonia sect.Doratometra(Klotzsch)A.DC
Section 23 Begonia sect.@lindribegonia L.B.Sm.＆B.G.Schub
Section 24 Begonia sect.Gireoudia(Klotzsch)A.DC
CHAPTER 15 SUBGENUS XI BEGO]VIA SUBG.HAAGEA
Subgenus Ⅺ Begonia subg.Haagea(Klotzsch)Y.M.Shui&W.H.Chen
Section 25 Begonia sect.Peltaugustia(Warb.)Barkley
Section 26 Begonia sect.Reichenheimia(Klotzsch)A.DC
Section 27 Begonia sect.Haagea(Klotzsch)A.DC
CHAPTERl6 SUBGENUSXIIBEGONIASUBG.PETERMANNIA
Subgenus Ⅻ Begonia subg.Petermannia(Klotzsch)Y.M.Shui&W.H.Ch
Section 28 Begonia sect.Wuana Y.M.Shui，W.H.Chen&H.Peng
Section 29 Begonia sect.Bo~iana Y.M.Shui，W.H.Chen＆W.K.Dong
Section 30 Begonia sect.Coelocentrum Irmsch
Section 31 Begonia sect.Hainania Y.M.Shui&W.H.Chen
Section 32 Begonia sect.Petermannia(Klotzsch)A.DC
CHAPTER 17 SUBGENUS XIII BEGONIA SUBG.MITSCHERLICHIA
Subgenus XIH Begonia subg.Mitscherlichia(Klotzsch)Y.M.Shui&W.H.Chen
Section 33 Begonia sect.Floccife，rae N.Krishna&Pradeep
Section 34 Begonia sect.Mitscherlichia(Klotzsch)A.DC
Sectio