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Oak Origins

From Acorns to Species and the Tree of Life

Illustrated by Rachel D. Davis
With a Foreword by Béatrice Chassé

From ancient acorns to future forests, the story of how oaks evolved and the many ways they shape our world.

An oak begins its life with the precarious journey of a pollen grain, then an acorn, then a seedling. A mature tree may shed millions of acorns, but only a handful will grow. One oak may then live 100 years, 250 years, or even 13,000 years. But the long life of an individual is only a part of these trees’ story.

With naturalist and leading researcher Andrew L. Hipp as our guide, Oak Origins takes us through a sweeping evolutionary history, stretching back to a population of trees that lived more than 50 million years ago. We travel to the ancient tropical Earth to see the ancestors of the oaks evolving side by side with the dinosaurs. We journey from the oaks’ childhood in the once-warm forests of the Arctic to the montane cloud forests of Mexico and the broad-leaved evergreen forests of Southeast Asia. We dive into current research on oak genomes to see how scientists study genes’ movement between species and how oaks evolve over generations—spanning tens of millions of years. Finally, we learn how oak evolutionary history shapes the forests we know today, and how it may even shape the forests of the future.

Oaks are familiar to almost everyone, and beloved. They are embedded in our mythology. They have fed us, housed us, provided wood for our ships and wine barrels and homes and halls, planked our roads, and kept us warm. Every oak also has the potential to feed thousands of birds, squirrels, and mice and host countless insects, mosses, fungi, and lichens. But as Oak Origins makes clear, the story of the oaks’ evolution is not just the story of one important tree. It is the story of the Tree of Life, connecting all organisms that have ever lived on Earth, from oaks’ last common ancestor to us.

288 pages | 43 halftones | 6 x 9 | © 2024

Biological Sciences: Botany, Evolutionary Biology

Reviews

"A stimulating exploration of oak tree biology. . . . Hipp brings a lyrical sensibility to the botany, comparing the genetic recombination that occurs during oak reproduction to Miles Davis’s splicing and remixing snippets of recordings to create his song 'Pharaoh’s Dance,' and Rachel D. Davis’s black-and-white watercolors provide dreamlike illustrations of the plants discussed. Nature lovers will get a kick out of this."

Publishers Weekly

“It is an extraordinary challenge to make a top-notch work of scholarship palatable for the general public, but Hipp has easily met that challenge in Oak Origins. Everything you ever wondered about oaks, and so much more that you didn’t know enough to wonder about, is packed into this definitive work on one of our most important trees. From pollen tube competition, to the oak lineage’s earliest ancestors, to the vital roles oaks play in ecosystems across the world, each account is more interesting than the last. A fascinating read from start to finish.”

Douglas W. Tallamy, New York Times best-selling author of "Nature’s Best Hope," "Bringing Nature Home," and "The Nature of Oaks"

"Oaks are strong and sturdy, adaptable and beautiful, and the same can be said for Hipp’s joyful book Oak Origins. Hipp, director of the herbarium at the Morton Arboretum near Chicago, is a world expert on tree genetics and evolution, and with his new book, proves that he has science writing chops as well. In his meditation on oaks, he uses these familiar trees to explore the wonders of plants, ecosystems, evolution, and Earth history. I grew up amongst the oaks in Illinois. A few huge ones towered over our backyard, but I didn’t think much of them until one was felled by lightning, and all of a sudden, our home was less vibrant with birds and insects. After reading Hipp’s book, I understand why: oaks are the nexus of a hidden world of diversity and beauty, which we must preserve as climates and environments change rapidly around us."

Steve Brusatte, professor and paleontologist at the University of Edinburgh and New York Times best-selling author of “The Rise and Fall of the Dinosaurs”

“In this brilliant exploration, oaks emerge as jazz musicians, continually improvising, collaborating, and finding new living music over millions of years. We think of oaks as hard and unyielding, but Hipp’s compelling writing reveals them as supple and inventive, from genes, to physiology, to their ecologies.”

David George Haskell, William R. Kenan Jr. Professor of Biology, Sewanee: The University of the South, and the author of "Sounds Wild and Broken," "The Songs of Trees," and "The Forest Unseen"

“Elegantly written and authoritatively researched, this book takes us around the world and down into the archives of deep time—from Oaxaca to Wuyi-shan, from the Norse World-Tree to the Darwinian Tree of Life—exploring the surprisingly rich, diverse, and ancient botanical world that has sprung forth from the humble acorn.”

Robert Moor, New York Times best-selling author of "On Trails: An Exploration"

Oak Origins: From Acorns to Species and the Tree of Life is a captivating combination of oak natural history and evolutionary biology. A must read for anyone interested in oaks or biodiversity science.”

Jonathan B. Losos, author of "The Cat’s Meow" and "Improbable Destinies"

Oak Origins: From Acorns to Species and the Tree of Life is an essential read for anyone attempting to understand the fundamental but truly complex biology of the oaks. The volume provides a clear analysis of the diversity of oaks, oak hybridization, oak communities, the oak genome, and the impressive global radiation and distribution of the oaks.”

Michael A. Steele, Department of Biology, Wilkes University, and author of "Oak Seed Dispersal: A Study in Plant-Animal Interactions"

“One of the premier naturalists and evolutionary biologists of our time, Hipp weaves together the deeply compelling origin story of the oaks―at once scientifically rigorous and accessible to all. Hipp pieces together botanical details of reproductive biology with the complex science of gene evolution, fossil data, and ecological observations to bring to life the incredible story of the northern hemisphere’s most adored and important tree genus. A literary accomplishment, illustrated with exquisite botanical drawings, Oak Origins will give the reader a profound appreciation of how the trees around us came to be here in such abundance. I recommend this book to anyone who has ever picked up an acorn and wondered how it could one day become one of the most iconic and revered standing giants in our midst.”

Jeannine Cavender-Bares, director, Harvard University Herbaria

“There is poetry, suspense, and humor in Andrew’s science, and in his writing. You can enter his story in many different ways, but, once you are in it, you will be captivated.”

Béatrice Chassé, former president of the International Oak Society, from the foreword

Table of Contents

Foreword: Figuring Things Out, by Béatrice Chassé

Introduction: What Is an Oak?
Chapter 1. Flowers and Acorns: Populations Arise and Migrate
Chapter 2. Variation: Populations Evolve
Chapter 3. Species and Their Hybrids
Chapter 4. Origins: Fagaceae
Chapter 5. Radiation: Quercus
Chapter 6. “Pharaoh’s Dance”: The Oak Genome
Chapter 7. Oak Communities
Epilogue: The Future of Oaks

Acknowledgments
Appendix: Oak Names
Notes
Literature Cited
Index

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