Described as a ‘master plant’ by many indigenous groups in lowland South America, tobacco is an essential part of shamanic ritual, as well as a source of everyday health, wellbeing and community. In sharp contrast to the condemnation of the tobacco industry and its place in contemporary public health discourse, the book considers tobacco in a more nuanced light, as an agent both of enlightenment and destruction.Exploring the role of tobacco in the lives of indigenous peoples, The Master Plant offers an important and unique contribution to this field of study through its focus on lowland South America: the historical source region of this controversial plant, yet rarely discussed in recent scholarship. The ten chapters in this collection bring together ethnographic accounts, key developments in anthropological theory and emergent public health responses to indigenous tobacco use. Moving from a historical study of tobacco usage – covering the initial domestication of wild varieties and its value as a commodity in colonial times – to an examination of the transcendent properties of tobacco, and the magic, symbolism and healing properties associated with it, the authors present wide-ranging perspectives on the history and cultural significance of this important plant. The final part of the book examines the changing landscape of tobacco use in these communities today, set against the backdrop of the increasing power of the national and transnational tobacco industry.The first critical overview of tobacco and its uses across lowland South America, this book encourages new ways of thinking about the problems of commercially exploited tobacco both within and beyond this source region.

Explores the molecular, biochemical, functional, structural, and developmental mechanisms of pH in plant growth. Examines the role of pH in plant symplasm, plant apoplasm, thr rhizosphere, the ecosystem, and plant interaction with biotic snd abiotic environments.

The instant New York Times bestseller | A Washington Post Notable Book | One of NPR's Best Books of the Year “Expert storytelling . . . [Pollan] masterfully elevates a series of big questions about drugs, plants and humans that are likely to leave readers thinking in new ways.” —New York Times Book Review From #1 New York Times bestselling author Michael Pollan, a radical challenge to how we think about drugs, and an exploration into the powerful human attraction to psychoactive plants—and the equally powerful taboos. Of all the things humans rely on plants for—sustenance, beauty, medicine, fragrance, flavor, fiber—surely the most curious is our use of them to change consciousness: to stimulate or calm, fiddle with or completely alter, the qualities of our mental experience. Take coffee and tea: People around the world rely on caffeine to sharpen their minds. But we do not usually think of caffeine as a drug, or our daily use as an addiction, because it is legal and socially acceptable. So, then, what is a “drug”? And why, for example, is making tea from the leaves of a tea plant acceptable, but making tea from a seed head of an opium poppy a federal crime? In This Is Your Mind on Plants, Michael Pollan dives deep into three plant drugs—opium, caffeine, and mescaline—and throws the fundamental strangeness, and arbitrariness, of our thinking about them into sharp relief. Exploring and participating in the cultures that have grown up around these drugs while consuming (or, in the case of caffeine, trying not to consume) them, Pollan reckons with the powerful human attraction to psychoactive plants. Why do we go to such great lengths to seek these shifts in consciousness, and then why do we fence that universal desire with laws and customs and fraught feelings? In this unique blend of history, science, and memoir, as well as participatory journalism, Pollan examines and experiences these plants from several very different angles and contexts, and shines a fresh light on a subject that is all too often treated reductively—as a drug, whether licit or illicit. But that is one of the least interesting things you can say about these plants, Pollan shows, for when we take them into our bodies and let them change our minds, we are engaging with nature in one of the most profound ways we can. Based in part on an essay published almost twenty-five years ago, this groundbreaking and singular consideration of psychoactive plants, and our attraction to them through time, holds up a mirror to our fundamental human needs and aspirations, the operations of our minds, and our entanglement with the natural world.

A trailblazing anthropologist and an indigenous Amazonian healer explore the convergence of science and shamanism “The dose makes the poison,” says an old adage, reminding us that substances have the potential to heal or to harm, depending on their use. Although Western medicine treats tobacco as a harmful addictive drug, it is considered medicinal by indigenous people of the Amazon rainforest. In its unadulterated form, it holds a central place in their repertoire of traditional medicines. Along with ayahuasca, tobacco forms a part of treatments designed to heal the body, stimulate the mind, and inspire the soul with visions. In Plant Teachers, anthropologist Jeremy Narby and traditional healer Rafael Chanchari Pizuri hold a cross-cultural dialogue that explores the similarities between ayahuasca and tobacco, the role of these plants in indigenous cultures, and the hidden truths they reveal about nature. Juxtaposing and synthesizing two worldviews, Plant Teachers invites readers on a wide-ranging journey through anthropology, botany, and biochemistry, while raising tantalizing questions about the relationship between science and other ways of knowing.

An in-depth look at the role of plant spirits in shamanic rituals from around the world • Shows how shamans heal using their knowledge of plant spirits as well as the plant’s “medical properties” • Explores the core methods of plant shamanism--soul retrieval, spirit extraction, and sin eating--and includes techniques for connecting with plant spirits • Includes extensive field interviews with master shamans of all traditions In Plant Spirit Shamanism, Ross Heaven and Howard G. Charing explore the use of one of the major allies of shamans for healing, seeing, dreaming, and empowerment--plant spirits. After observing great similarities in the use of plants among shamans throughout the world, they discovered the reason behind these similarities: Rather than dealing with the “medical properties” of the plants or specific healing techniques, shamans commune with the spirits of the plants themselves. From their years of in-depth shamanic work in the Amazon, Haiti, and Europe, including extensive field interviews with master shamans, Heaven and Charing present the core methods of plant shamanism used in healing rituals the world over: soul retrieval, spirit extraction, sin eating, and the Amazonian tradition of pusanga (love medicine). They explain the techniques shamans use to establish connections to plant spirits and provide practical exercises as well as a directory of traditional Amazonian and Caribbean healing plants and their common North American equivalents so readers can ex-plore the world of plant spirits and make allies of their own.

Explores an old way of healing through the spirit of plants.

Who would imagine that plants can become master teachers of a radical new way of seeing and interacting with the world? Plants are dynamic and resilient, living in intimate connection with their environment. This book presents an organic way of knowing modeled after the way plants live. When we slow down, turn our attention to plants, study them carefully, and consciously internalize the way they live, a transformation begins. Our thinking becomes more fluid and dynamic; we realize how we are embedded in the world; we become sensitive and responsive to the contexts we meet; and we learn to thrive within a changing world. These are the qualities our culture needs in order to develop a more sustainable, life-supporting relation to our environment. While it is easy to talk about new paradigms and to critique our current state of affairs, it is not so easy to move beyond the status quo. That’s why this book is crafted as a practical guide to developing a life-infused way of interacting with the world.