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How Plants Make Flowers

How Plants Make Flowers (eBook)

Available in both the ePub and Kindle formats*

“How Plants Make Flowers” eBook : $2.99
Available From: Amazon.com (Kindle), Barnes & Noble (Nook), the Apple iBookstore (iPad), or Lulu.com (ePub).

About 150 million years ago dinosaurs were disappearing from the Earth, and flowering plants were appearing. Since that time, flowering plants (angiosperms) have flourished, rapidly diversifying and spreading into virtually every landscape on the planet. Charles Darwin referred to this abrupt origin and highly accelerated rate of diversification of angiosperms an “abominable mystery”.
Another great botanical mystery over the past 100 years has to do with what induces plants to make flowers. Young angiosperms don’t have flowers, they make just roots, shoots and leaves. But at some point during their lifetime, they begin to make flowers. The question is: what triggers this? A major clue in solving this mystery happened about 100 years ago when scientists discovered evidence for a flower-inducing signal, produced in the leaves, that they named florigen.
Discovering the nature of florigen has taken nearly 100 years. But recently scientists have not only identified florigen but also have pieced together how it works to induce flowering.
This book is a newly-updated summary of what is currently known about the biology of florigen and flowering, written by someone who has been teaching the subject to college students for nearly 30 years. It’s also a book about how and why plants tell time, because this is part of the story. And, just for fun, there’s some speculation based on recent scientific evidence about the origin and diversification of flowering plants.
Contents:
How, When, and Where Did Flowers Originate?
How Plants Tell Time
Why Plants Tell Time
Environmental Cues
Endogenous Cues
Photoperiod, Biological Clocks, and Florigen
The Genetic Pathways of Flower Formation
How Plants Make Flowers
A Tale of Two Theories: The Mossy Earth and The Conquering Flowers
Glossary

*The ePub format can be read on iPad (load into iBooks app via your iTunes), Nook, Sony Reader, and desktop eBook readers such as Stanza and Adobe Digital Editions. The Kindle edition is in the mobi format, but with all the same content as the ePub edition.

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