At a time when the world faces increasing pressures from climate change and biodiversity loss, seeds have never been more important. Highly complex, they have evolved in myriad ways to adapt to their environments. In this book we explore how seed-bearing plants evolved, and unravel the science behind the seed. We also show how scientists are working around the world to gather and bank seeds to save rare and valuable varieties from extinction.

An essential guide to every species of tree found in the British Isles outside of arboretums This easy-to-use guide covers the 360 species of tree that are found in Britain & Ireland. Each species is covered in detail with information on how to identify, whether from a leaf, twig, bark or whole tree, plus extra information on where the tree grows (including a map), how high they grow, what uses the tree is used for and its unique history. Every species is also comprehensively illustrated with photographs of every useful feature - bark, leaf, seed, flower, twig and whole tree. Sample identification section: Silver Birch Betula pendula (Betulaceae) height to 26m A slender, fast-growing deciduous tree with a narrow, tapering crown when young and growing vigorously. Older trees acquire a weeping habit, especially if growing in an open, uncrowded situation.

Updated to include changing garden exhibits, this interesting guide to Cape Town’s world-famous botanical garden traces the history and development of Kirstenbosch, from its establishment in 1913 to the spectacular showcase of indigenous flora it is today.

Prominent features of the garden are described, such as the protea, erica and restio gardens, the Dell, Conservatory and Camphor Avenue, as well as floral highlights of the four seasons. An updated layout map makes for easy navigating, and indicates walks and climbs that can be undertaken from the garden.

Colourful photographs portray the extraordinary beauty of the garden, both its spectacular flora and its setting against the backdrop of Table Mountain – and make this a worthy memento of a visit to Kirstenbosch.

Dieses Fachbuch beschreibt in umfassender Weise Technologie, Anwendung und Einflusse von Bindemitteln bei der Holzwerkstoffherstellung. Besonderer Wert wird auf das Zusammenspiel und die gegenseitigen Beeinflussungen der drei Hauptparameter Holz, Bindemittel und Herstellungsbedingungen gelegt; diese drei Parameter haben entscheidenden Einfluss auf die Qualitat der produzierten Holzwerkstoffe. Die Schwerpunkte des Buches sind:
- Fragen der Zusammensetzung, Analyse, Eigenschaften und Anwendung der verschiedenen Bindemittel sowie ihres Einflusses auf die Qualitat der damit hergestellten Holzwerkstoffe.
- Technologische Grundlagen der Holzwerkstoffherstellung.
- Grundlagen der Verleimung und der Eigenschaften von Leimfugen.
- Technologisch/technische Grundlagen der Holzwerkstoffe.
- Prufung und Eigenschaften von Holzwerkstoffen. Durch zahlreiche Abbildungen und ubersichtliche Tabellen wird eine besonders hohe Informationsdichte erzielt."

This practical pocket field guide, published in association with the Wildlife Trusts, includes more than 180 wild flower species from Britain and the near Continent. Each species account contains accurate artworks that show details of the flowers, leaves and growth habit of the plant. A concise written account outlines further essential information, such as size, description, habitat, flowering time and distribution to help you identify wild flowers. The easy-to-follow layouts and illustrations artworks aid quick and precise identification, and make this book an indispensable reference in the field as well as at home. It is compact enough to fit in the pocket, yet packed with essential information for the nature enthusiast.

Schwermetalle sind von Natur aus in allen Boeden vorhanden. Die jeweiligen Gehalte sind dabei abhangig von den in den bodenbildenden Ausgangsgesteinen vorhandenen Konzentrationen, von den chemischen Eigenschaften der einzelnen Schwermetalle und von der Entwicklungsgeschichte der Boeden. Von einer wirklichen Belastung fur den Boden kann daher nur bei zusatzlich anthropogen verursachtem Schwermetalleintrag gesprochen werden. Der erste Teil des Buches fuhrt in die naturlichen Bodenprozesse sowie in die Chemie der Metalle und deren Analytik ein. Der Hauptteil beinhaltet detaillierte Informationen zu den einzelnen Schwermetallen, deren spezifischen Wechselwirkungen mit Boeden und Pflanzen und zeigt Moeglichkeiten der Melioration bzw. Sanierung auf.

THE INTERNATIONAL BESTSELLER 'A scientific memoir as gripping as any HBO drama series' Kate Kellaway, Observer A dazzling scientific detective story from the ecologist who first discovered the hidden language of trees No one has done more to transform our understanding of trees than the world-renowned scientist Suzanne Simard. Now she shares the secrets of a lifetime spent uncovering startling truths about trees: their cooperation, healing capacity, memory, wisdom and sentience. Raised in the forests of British Columbia, where her family has lived for generations, Professor Simard did not set out to be a scientist. She was working in the forest service when she first discovered how trees communicate underground through an immense web of fungi, at the centre of which lie the Mother Trees: the mysterious, powerful entities that nurture their kin and sustain the forest. Though her ground-breaking findings were initially dismissed and even ridiculed, they are now firmly supported by the data. As her remarkable journey shows us, science is not a realm apart from ordinary life, but deeply connected with our humanity. In Finding the Mother Tree, she reveals how the complex cycle of forest life - on which we rely for our existence - offers profound lessons about resilience and kinship, and must be preserved before it's too late.

A new method for the practical identification and recognition of trees -- and an important supplement to existing botanical methods.

The book is in two parts: Pictorial Keys and Master Pages. The Keys are designed for easy visual comparison of details which look alike, narrowing the identification of a tree to one of a small group -- the family or genus.

Then, in the Master Pages, the species of the tree is determined, with similar details placed together to highlight differences within the family group, thus eliminating all other possibilities. The details of the Oak trees on this plate are an example of the system.

All of the more than 1500 photographs were made specifically for use in this book and were taken either in the field or of carefully collected specimens. Where possible, details such as leaves, fruit, etc., appear in actual size, or in the same scale.

This thorough and meticulous study, the result of nearly a quarter-century of research, examines the island biogeography of plants on continental islands in Barkley Sound, British Columbia. Invaluable both because of its geographical setting and because of the duration of the study, Plants on Islands summarizes the diversity, dynamics, and distribution of the approximately three hundred species of plants on more than two hundred islands. Martin Cody uses his extensive data set to test various aspects of island biogeographic theory. His thoughtful analysis, constrained by taxon and region, elucidates and enhances the understanding of the biogeographic patterns and dynamics. He provides an overview of the basic theory, concepts, and analytical tools of island biogeography. Also discussed are island relaxation to lower equilibrium species numbers post-isolation, plant distributions variously limited by island area, isolation and climatic differences, adaptation to local abiotic and biotic environments within islands, and the evolution of different island phenotypes. The book concludes with a valuable consideration of equilibrium concepts and of the interplay of coexistence and competition. Certain to challenge, Plants on Islands is among the first books to critically analyze the central tenets of the theory of island biogeography.

A practical guide to all aspects of edible wild plants: finding and identifying them, their seasons of harvest, and their methods of collection and preparation. Each plant is discussed in great detail and accompanied by excellent color photographs. Includes an index, illustrated glossary, bibliography, and harvest calendar. The perfect guide for all experience levels.

Field Guide to Fynbos features over 1,000 species from the Cape Floristic Region – home to one of the world’s richest floras. This fully updated edition focuses on the most common and ‘showy’ plants.

An introduction unpacks the world of fynbos – including origins, diversity, climate and adaptations – and is followed by a photographic key and descriptions of the fynbos families. Species descriptions are accompanied by photographs, distribution maps, comparisons with similar species, and notes on traditional uses.

For botanists and amateurs alike, this will remain an indispensable guide to South Africa’s most renowned flora.

Also known as "The Natural Remedy Bible," "The Herb Book" provides a comprehensive resource for building a livelier, healthier, happier life. More than 2,000 listings offer remedies for ragged nerves, nightmares, and coughing fits as well as suggestions for adding spice to recipes, coloring fabrics, freshening breath, and a host of other benefits. Complete and concise descriptions of herbs, illustrated by more than 275 line drawings, offer the most comprehensive catalog of "miracle plants" ever published.
Written by an expert and pioneer in the field, this easy-to-use reference features three parts. The first presents introductory historical information and background for using the rest of the book. The second part features individual numbered listings of medicinal plants with their botanical descriptions and uses. The third part emphasizes the variety of uses for the plants listed in Part 2, including mixtures for medicinal treatments, nutritious and culinary plants, cosmetic and aromatic purposes, plant dyes, and other applications. The book concludes with a captivating look at plant-related astrology, lore, and legends.

Farmers once knew how to make a living fence and fed their flocks on tree-branch hay. Rural people knew how to prune hazel to foster abundance: both of edible nuts and of straight, strong, flexible rods for bridges, walls and baskets. Townspeople cut beeches to make charcoal to fuel ironworks. Shipwrights shaped oaks to make hulls. In order to prosper communities cut their trees so they would sprout again. Pruning the trees didn't destroy them. Rather, it created healthy, sustainable and diverse woodlands. From these woods came the poetic landscapes of Shakespeare's England and of ancient Japan. The trees lived longer. William Bryant Logan travels from the English fens to Spain, California and Japan to rediscover and celebrate what was once a common and practical ecology-finding hope that humans may again learn what the persistence and generosity of trees can teach.

Pocket Guide to Mushrooms covers 158 of the most common mushrooms found in the UK and also in northern and central Europe, each mushroom is identified and presented with expert photography in this informative yet highly portable book. It is as visually impressive as it is easy to use, with many stunning full-page images to support the authoritative text.

Tropical Plants of Costa Rica is the essential guide to Costa Rica's native and exotic plant species. In this comprehensive volume, Willow Zuchowski introduces readers to an array of the country's dazzling and diverse flora-from rainforest giants over sixty meters in height to miniature orchids with petals that measure less than one millimeter in length. Covering almost 600 species from all of Costa Rica's regions, Tropical Plants of Costa Rica includes 820 photographs and 120 black-and-white illustrations to aid in the identification of these plants. Detailed species accounts offer descriptions of the plants as well as a rich trove of information about their natural history, distribution, conservation status, potential medicinal uses, and role in human societies. This second edition-in a more compact size for easier use in the field-adds more than 100 species along with a new section focusing on the Osa Peninsula, many new photographs, and updates on scientific names. The only book on the flora of the country intended for serious and casual plant enthusiasts alike, Tropical Plants of Costa Rica is an indispensable resource for the visitor, gardener, student, and researcher.

Common Wild Flowers of Table Mountain has proved tovbe a valuable guide for flower-lovers, hikers and mountainvclimbers who wish to know more about the flowers theyvencounter on their outings. Now expanded to take in the expansive Silvermine reserve, and generally updated for the entire area, this new edition will appeal to an even wider market.

It offers:

- Flowers grouped according to colour to enable quick ID

- Some 260 flowers that can be seen along the way

- Clear photographs and concise, informative text for each species.

- A variety of walking routes that crisscross the mountain and reserve, plotted on accompanying route maps

For anyone with an interest in identifying the flowers of the mountain and reserve, this will be an indispensable guide.

Foraged food is surprising in its flavour, unusual texture, fresh colour and nutritional value. As more people become familiar with the idea of finding food in the woods, lakeside, or on their favorite hiking trail, they begin to notice the world around them in a new way. Now it's time to discover the many surprisingly edible plants found in backyards, lawns and parks. Foraging doesn't have to be hard or scary. Backyard Foraging brings foraging home to the neighbourhood. There's the lawn full of sheep sorrel, chickweed, dandelion and pineapple weed. Vacant lots host edibles like sumac, purslane, or Japanese knotweed. And even urban parks may offer up garlic mustard, milkweed, gingko nuts, daylilies and elderberries.

From ash die-back to the Great Storm of 1987 to Dutch elm disease, our much-loved woodlands seem to be under constant threat from a procession of natural challenges. Just when we need trees most, to help combat global warming and to provide places of retreat for us and our wildlife, they seem at greatest peril. But these dangers force us to reconsider the narrative we construct about trees and the roles we press on them. In this now classic book, Richard Mabey looks at how, for more than a thousand years, we have appropriated and humanised trees, turning them into arboreal pets, status symbols, expressions of fashionable beauty - anything rather than allow them lives of their own. And in the poetic and provocative style he has made his signature, Mabey argues that respecting trees' independence and ancient powers of survival may be the wisest response to their current crises. Originally published with the title Beechcombings, this updated edition includes a new foreword and afterword by the author.

Wildcraft your way to wellness! In Southwest Medicinal Plants, John Slattery is your trusted guide to finding, identifying, harvesting, and using 112 of the region's most powerful wild plants. You'll learn how to safely and ethically forage, and how to use wild plants in herbal medicines including teas, tinctures, and salves. Plant profiles include clear, color photographs, identification tips, medicinal uses and herbal preparations, and harvesting suggestions. Lists of what to forage for each season makes the guide useful year-round. Thorough, comprehensive, and safe, this is a must-have for foragers, naturalists, and herbalists in Arizona, southern California, southern Colorado, southern Nevada, New Mexico, Oklahoma, western and central Texas, and southern Utah.

Flowers can talk. Red roses say I love you , white lilies offer condolence and poppies invite us to remember.

For thousands of years, humans have used flowers as a language, a short-hand for emotions and meanings. In her new book, Sally Coulthard, takes a fascinating look at floriography and shows how we still use this secret language across the world. She delves into the meanings of flowers and where they came from, whether it's ancient mythology or hedgerow folklore.

Covering 50 well-loved flowers and plants, from peonies to sweetpeas, ivy to irises, Floriography is a beautifully illustrated guide that will take the reader on an intriguing journey through the history, legend, anthropology and literature of flowers, showing how modern-day society still relies on the meaning of flowers. From the Chinese lotus flower to the Celtic bluebell, the myth, magic and language of flowers is still blossoming today.

Foraging Texas is a field guide and reference for people who want to learn about wild edible plants across the state of Texas. It covers edible plants native or naturalized in the lone star state and describes wild-harvesting basics, ethics, identification, distribution, harvesting methods, recipes, and historical uses. The guide is easy for beginners to use. It's primarily organized by plant type (i.e., tree, shrub, herb) and secondarily by plant family (i.e., sunflower family, carrot family, etc.) and has detailed photos to aid in identification. The guide is also a useful reference for more experienced foragers. Although this guide focuses on the edible plants of Texas, because the state of Texas covers such a wide variety of ecoregions and habitats, Foraging Texas is also useful in neighboring states like Louisiana, Arkansas, Oklahoma, New Mexico, and beyond.