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The present book is a worldwide monograph of systematic botany for the genus Gentiana. The text is in nine parts. It comprehensively systematically summarized the results studied on taxonomy, morphology and anatomy, embryology, chromosomololy, palynology, phylogenetics and phytogeography of this genus. On the basis of nomenclature types and examinations of a large number of specimens from the major herbaria of Europe, Asia and North America, all species of Gentiana have been revised and methods of synthetic classification and cladistics, the evolutionary lines and phylogenetic relationships among taxa have been expounded and a natural system of the infragencric classifications has been established. The genus Gentiana is divided into 15 sections, 22 series and 362 species. This book is of great scientific value to phytotaxonomists and systematist. It is also more useful for horticulturists and material mediciners.

1. Historical survey
2. Generic circumscription and systematic position
3. Infrageneric classifications and phylogeny
(1) Taxonomic characters
(2) Infrageneric phylogeny
4. Geographical distribution
(1) Geographical distribution patterns of sections
(2) Distribution of species
(3) Distribution center
(4) Approaching the place and time of origin
5. Taxonomic treatment
(1) An enumeration of Gentiana L.
(2) Keys to taxa
(3) A systematic account
6. The names excluded from Gentiana L.
7. References
8. Representative specimens
(1) Specimens cited in species
(2) Index to collectors of cited specimens
9. Index

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