An Enthusiasm for Orchids

An Enthusiasm for Orchids : Sex and Deception in Plant Evolution

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The male thynnine wasp's extreme sexual enthusiasm is crucial to reproduction of hammer orchids in the wild. Hammer orchids have co-evolved to produce odors identical to those manufactured by female thynnine wasps. The male wasp's superb sensitivity to the scent of his female mate is the basis for the hammer orchid's deceit--in effect, orchids exploit the male insect's highly adaptive sense of smell for their own propogation. While pollinating orchids is a waste of time, and thus a maladaptive activity for a wasp, his mistake comes about because he must react quickly whenever he senses a possible mate nearby. Alcock suggests that, "for insects, he who hesitates is lost, although perhaps it would be better to say that he who hesitates often loses a chance to pass on his genes." This book abounds with clever explanations for how these exceptionally complex flowers came to be shaped as they are. The reader can explore many aspects of orchid biology and history ranging from how some species avoid inbreeding, to the origins of orchids from an ancestor that belonged to the asparagus family.Examining each component of an orchid's flower, Alcock explains how the various parts work together to produce the plant's minute offspring. Each element of an orchid, as quirky as it may seem, is biologically significant, bearing the imprint of natural selection. Readers can share in the delight that Darwin and all other orchid enthusiasts have felt in making sense of even the smallest of details of these most wonderful more

Product details

  • Hardback | 316 pages
  • 154.9 x 218.4 x 25.4mm | 748.44g
  • Oxford University Press Inc
  • New York, United States
  • English
  • Numerous colour photographs, line drawings
  • 019518274X
  • 9780195182743
  • 2,017,435

About John Alcock

Dr. Alcock's research deals with the evolution of diversity in insect mating systems. He studies selected species of desert insects in Arizona and Western Australia, in an attempt to document the variety of male mate-locating techniques in various bees, wasps, butterflies, dragonflies, and other insects. The goal of his research is to test hypotheses on the adaptive value of the different ways in which males find mating more

Review quote

An Enthusiasm for Orchids: Sex and Deception in Plant Evolution is ... an interesting book, [that] can provide good examples of plant adaptations which are desperately needed in these sort of classrooms which tend to focus more often on animal examples. Erik Rothacker, Plant Science Bulletin Vol 53(1) 2007 The book is easy to read and has many beautiful illustrations. Sebsebe Demissew, Nature For an overview of the concepts of adaption and maladaption, a brief history of evolution in general, and a good look at the hotsots, biodiversity and conservation of orchids in southwestern Australia in particular, this is the book to read. Sebsebe Demissew, Nature ...presents complex floral characters in an understandable and attractive way. For an overview of the concepts of adaptation and maladaptation, a brief history of evolution in general, and a good look at the orchids in southwestern Australia in particular, this is the book to read. Nature, Vol. 442show more

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