background preloader

Botanicus: Library Of Historic Botanical Literature

Botanicus: Library Of Historic Botanical Literature

Top 10 Most Dangerous Plants In the World 1. Most likely to eat a rat Giant Pitcher Plant: Nepenthes attenboroughii Discovered more than 5000 feet above sea level on Mount Victoria in the Philippines, the giant, carnivorous pitcher plant secretes a nectar-like substance to lure unsuspecting prey into a pool of enzymes and acid. A series of sticky, downward ribs makes it nearly impossible for trapped prey to escape. 2. Castor Bean Plant: Ricinus communis Castor-bean plants can be purchased at just about any garden center, despite containing the deadly poison ricin. 3. Western Water Hemlock: Cicuta douglasii Deemed the most "violently toxic plant that grows in North America" by the USDA, the water hemlock contains the toxin cicutoxin, which wreaks havoc on the central nervous system, causing grand mal seizures--which include loss of consciousness and violent muscle contractions--and eventually death, if ingested. 4. White snakeroot: Eupatorium rugosum 5. Monkshood: Aconitum napellus 6. Common Bladderwort: Utricularia macrorhiza 7. 8.

Poisonous Plants Basics Plants are amazing creatures that produce many great benefits for human consumption. We get most of our medicines from plants, our foods and even our beauty products. Still, there are poisonous plants among the wild edible plants that people need to be aware of when it comes to consuming them. So what are poisonous plants anyways? If you remember one simple fact, it will help you realize why plants produce certain compound to deter predators – PLANTS CANT RUN! If you were to accidentally chomp on a Skunk Cabbage you would become very familiar with oxalate crystals that are like needles that stab you all the way down! Besides defending themselves, plants also make poisonous or toxic substances as byproducts from their usual metabolic processes. Ok, so you are out with your friends harvesting Cattail and you are a new forager. Stay Calm and Act Fast. From all of the resources I have looked at, it seems that young children are the most susceptible to plant and mushroom poisonings.

Poisonous Plants 2 Plants basically poison on contact, ingestion, or by absorption or inhalation. They cause painful skin irritations upon contact, they cause internal poisoning when eaten, and they poison through skin absorption or inhalation in respiratory system. Many edible plants have deadly relatives and look-alikes. Description: The castor bean is a semiwoody plant with large, alternate, starlike leaves that grows as a tree in tropical regions and as an annual in temperate regions. Habitat and Distribution: This plant is found in all tropical regions and has been introduced to temperate regions. Description: This tree has a spreading crown and grows up to 14 meters tall. Habitat and Distribution: Chinaberry is native to the Himalayas and eastern Asia but is now planted as an ornamental tree throughout the tropical and subtropical regions. Description: A vinelike plant that has oval leaflets in groups of three and hairy spikes with dull purplish flowers.

Wildcrafting.net: Foraging Database, Edible & Medicinal Plants Non-Edible Poisonous Flowers Chart Non-edible Poisonous Flowers This chart is a list of the most commonly-known poisonous plants and flowers to avoid while selecting edible flowers. It is not complete, so just because you do not see it listed here, do not assume it is safe to eat. Be sure you know exactly what you choose to consume. For more info on edible flowers, refer to my feature on Incredible Edible Flowers and Edible Flowers Chart with links to full-color photos and flavor info. • Edible Flowers Chart • Edible Flowers Information and Recipes • Herb Information • Spice Information • A to Z Recipes and Food Disclaimer: This is a list of the most common poisonous plants and flowers but it is by no means complete. A to Z Recipes and Food | Articles by topic

Free Wild Plant Identification eCourse You are out in the forest and looking at the glorious plant life surrounding you. Whether you are a beginner and have never identified one plant, or a Botany professor at a university, you might appreciate this refreshingly simple approach to plant identification. I remember lovingly (and sometimes screamingly) that my college classes in Systematic Botany required me to become acquainted with that local Washington Flora that we plant dorks call “Hitchcock and Cronquist”. I always felt a contradiction of rapt fascination and obsession, alternated with profound burnout, when trying to navigate this enormous dichotomous key! In addition, my observation skills as an ethnobotanist were refined , foraging for wild foods, fibers and medicine. What will I need? A combination of actual need for sustenance, curiosity and simple observation skills are almost all you need to start with plant identification. Meet a Plant Approach the plant of your choice and find a place to start.

Wild Plant Stock Photos - Wild Food School Digital images used in the course of WFS activities over the lastfew years are now being made available online. Past emphasis has been on illustration for plant identification purposes rather than pictorial 'art'. However, more 'creative' images will be added when time permits. As the image bank expands thumbnails will be split into individual species/subject pages; currently there are just a few pages on display. Shot for a variety of illustrative uses the most recent images are standardized at 50Mb TIF files from RAW; some earlier 17Mb items are also from RAW files. IMPORTANT NOTE: This image bank pictures poisonous, inedible and edible wild plants without distinction.

Silvics Manual: Guide To N. American Tree Species Russell M. Burns and Barbara H. Honkala Technical Coordinators Timber Management Research Agriculture Handbook 654 (Supersedes Agriculture Handbook 271, Silvics of Forest Trees of the United States, 1965) Forest Service United States Department of Agriculture Washington, DC December 1990 Burns, Russell M., and Barbara H. The silvical characteristics of about 200 forest tree species and varieties are described. Oxford: 174, 181 (082, 7). Cover art: Natural stands of southern pine and cypress bordering a lake in Noxubee County, MS. Foreword "Silvics of Forest Trees of the United States," Agriculture Handbook 271, was the first comprehensive document of its kind in the United States. Our store of silvical and related knowledge has markedly increased since that silvics manual was published 25 years ago. "Silvics of North America" describes the silvical characteristics of about 200 conifers and hardwood trees in the conterminous United States, Alaska, Hawaii, and Puerto Rico. Jerry A.

Wildflowers & Weeds: Learn To Identify Wildflowers With Botany In A Day Herbal Directory: Penn State Univ. Information on common herbs for cultivation and culinary purposes. Herbs are classified by their use - aromatic, cosmetic, culinary, decorative, dye, medicinal and ornamental. Important Disclaimer The information shared freely on these pages is meant for cultivation of the crops and for culinary use only. Contact Michael Orzolek, Professor of Vegetable Crops The Herb directory was developed by Keppy Arnoldsen, Aimée Voisin and Jen Johnson under the guidance of Dr. Identify That Plant: Master The Skill Of Plant Identification

Who were the Romans? by Ayla Arli on Prezi ROMAN FACTS History - Boudicca

Related: