Slipper orchids of Vietnam: with an introduction to the flora of Vietnam

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Timber Press, Aug 4, 2003 - Gardening - 308 pages
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Vietnam has a remarkable and diverse orchid flora that is still being explored and described. Orchids are the largest family in the flora and may exceed 1000 species, with more being described every year as remoter areas are explored. They are found in every habitat from the coastal mangrove forests to the highest mountain peaks. The slipper orchids, a small but showy part of the flora, epitomize the exuberance of Vietnam's orchids and, at the same time, emphasize their vulnerability. Although almost half have been discovered within the past ten years, many of them are already threatened with extinction by the combined problems of forest destruction and commercial collecting.

This book details the geology, climate, and vegetation of Vietnam in all its remarkable diversity. The main text provides comprehensive accounts of the history, nomenclature, and relationships of each of the 22 slipper orchid species and natural hybrids found within the country. It also provides the first detailed accounts of their habitats, biology, and ecology. On a more urgent note, it also highlights the imminent threat of extinction faced by many of them. Further urgent measures are necessary both within Vietnam and abroad to protect what remains.

The results of their field studies, detailed here for the first time in a popular book, provide unique insight into the rich flora of Vietnam where so many of the orchids are found. This book is a significant contribution to our understanding of plant diversity in Vietnam and to the threats to it.

The richness of Vietnam's biological diversity is only now becoming apparent. This book will enthrall the reader with its descriptions of Vietnam, its uniqueenvironment, its rich flora, and its endemic plants. It will also serve to alert all of us to the dangers that threaten its unique heritage.

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Contents

Geological History
3
Climate Zones
9
Flora of Vietnam
15
PART n SLIPPER ORCHIDS
55
Morphology
61
Pollination
67
Geographical distribution
74
TAXONOMY OF VIETNAMESE SLIPPER ORCHIDS
83
Paphiopedilum subgen Brachypetalum
145
Paphiopedilum subgen Paphiopedilum
155
Natural interspecific Paphiopedilum hybrids reported from Vietnam
253
CONSERVATION
265
The future?
274
ACKNOWLEDGEMENTS
283
INDEX OF SCIENTIFIC NAMES
295
Copyright

Paphiopedilum subgen Parvisepalum
89

About the author (2003)

Leonid Averyanov of the Komarov Institute, St. Petersburg, is an authority on the Vietnamese orchid flora and the author of the standard account of them.

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