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4 issues per year Botanical Journal of the Linnean Society: Wiley Online Library: 1856–present: English: 12 issues per year Botanisk Tidsskrift: Danish Botanical Society: 1866–1980: Danish, German, English, and French: 4 issues per year Botany: National Research Council Canada: 1929–present: English: 12 issues per year Brittonia: New York ...
This list of global issues presents problems or phenomena affecting people around the world, including but not limited to widespread social issues, economic issues, and environmental issues. Organizations that maintain or have published an official list of global issues include the United Nations, and the World Economic Forum.
Regional – each botanical continent is divided into between two and ten subcontinental regions; Area or "botanical country" – most regions are subdivided into units generally equating to a political country, with some large islands and island groups considered single entities, and large countries may be split or outlying areas omitted. [8]
This is a partial list of herbs and herbal treatments with known or suspected adverse effects, either alone or in interaction with other herbs or drugs.Non-inclusion of an herb in this list does not imply that it is free of adverse effects.
Among the important botanical questions of the 21st century are the role of plants as primary producers in the global cycling of life's basic ingredients: energy, carbon, oxygen, nitrogen and water, and ways that our plant stewardship can help address the global environmental issues of resource management, conservation, human food security ...
The World Flora Online (WFO) is an open-access database, launched in October 2012 as a follow-up project to The Plant List, with the aim of publishing an online flora of all known plants by 2020. [1] It is a project of the United Nations Convention on Biological Diversity , with goal of halting the loss of plant species worldwide by 2020.
Also present are ricinine, an alkaloid, and an irritant oil. According to the 2007 edition of the Guinness Book of World Records, the castor oil plant is the most poisonous in the world, though its cousin abrin, found in the seeds of the jequirity plant, is arguably more lethal. Castor oil, long used as a laxative, muscle rub, and in cosmetics ...
The Age of Enlightenment saw a rise in economic botanical exploration. Alexander von Humboldt collected data from the New World, and James Cook's voyages brought back collections and information on plants from the South Pacific. [16] At this time major botanical gardens were started, for instance the Royal Botanic Gardens, Kew in 1759.