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Poisonwood
''Metopium'' or poisonwood is a genus of flowering plants in the sumac family, Anacardiaceae. They are dioecious trees with poisonous sap that can induce contact dermatitis. Taxonomy Species , ''Plants of the World online'' has 4 accepted species: *''Metopium brownei'' (Jacq.) Urb. — black poisonwood *''Metopium gentlei'' *''Metopium toxiferum'' (L.) Krug & Urb. — Florida poisonwood *''Metopium venosum ''Metopium'' or poisonwood is a genus of flowering plants in the sumac family, Anacardiaceae. They are dioecious trees with poisonous sap that can induce contact dermatitis. Taxonomy Species , ''Plants of the World online'' has 4 accepted spec ...'' (Griseb.) Engl. — Cuban poisonwood References External links Anacardiaceae Anacardiaceae genera Dioecious plants {{Anacardiaceae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Metopium Gentlei
''Metopium'' or poisonwood is a genus of flowering plants in the sumac family, Anacardiaceae. They are dioecious trees with poisonous sap that can induce contact dermatitis. Taxonomy Species , ''Plants of the World online'' has 4 accepted species: *''Metopium brownei'' (Jacq.) Urb. — black poisonwood *''Metopium gentlei'' *''Metopium toxiferum'' (L.) Krug & Urb. — Florida poisonwood *''Metopium venosum ''Metopium'' or poisonwood is a genus of flowering plants in the sumac family, Anacardiaceae. They are dioecious trees with poisonous sap that can induce contact dermatitis. Taxonomy Species , ''Plants of the World online'' has 4 accepted spec ...'' (Griseb.) Engl. — Cuban poisonwood References External links Anacardiaceae Anacardiaceae genera Dioecious plants {{Anacardiaceae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Metopium Venosum
''Metopium'' or poisonwood is a genus of flowering plants in the sumac family, Anacardiaceae. They are dioecious trees with poisonous sap that can induce contact dermatitis. Taxonomy Species , ''Plants of the World online'' has 4 accepted species: *''Metopium brownei'' (Jacq.) Urb. — black poisonwood *''Metopium gentlei'' *''Metopium toxiferum'' (L.) Krug & Urb. — Florida poisonwood *''Metopium venosum ''Metopium'' or poisonwood is a genus of flowering plants in the sumac family, Anacardiaceae. They are dioecious trees with poisonous sap that can induce contact dermatitis. Taxonomy Species , ''Plants of the World online'' has 4 accepted spec ...'' (Griseb.) Engl. — Cuban poisonwood References External links Anacardiaceae Anacardiaceae genera Dioecious plants {{Anacardiaceae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Metopium Toxiferum
''Metopium toxiferum'', the poisonwood, Florida poisontree, or hog gum, is a species of flowering tree in the cashew or sumac family, Anacardiaceae, that is native to the American Neotropics. It produces the irritant urushiol much like its close relatives poison sumac and poison oak. It is related to black poisonwood (''Metopium brownei''). Distribution and habitat This tree grows abundantly in the Florida Keys and can also be found in various ecosystems in southern Florida. Its range extends from Florida and The Bahamas south through the Caribbean The Caribbean (, ) ( es, El Caribe; french: la Caraïbe; ht, Karayib; nl, De Caraïben) is a region of the Americas that consists of the Caribbean Sea, its islands (some surrounded by the Caribbean Sea and some bordering both the Caribbean Se .... References External linksPoisonwood (Metopium toxiferum) Anacardiaceae Trees of the Southeastern United States Trees of the Caribbean Plants described in 1896 Poisonous plants ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Metopium Brownei
''Metopium brownei'' (also known as chechem, chechen, or black poisonwood) is a species of plant in the family Anacardiaceae. Distribution and habitat It is found in Hispaniola (the Dominican Republic and Haiti), Cuba, Jamaica, northern Guatemala, Belize, and from the Yucatán to Veracruz in Mexico. Description Like its cousin, ''Metopium toxiferum'', it produces urushiol in its bark, which can cause contact dermatitis; therefore, live trees and fresh cut logs should be handled carefully. The wood of this tree is a valuable source of lumber in Central America and the West Indies The West Indies is a subregion of North America, surrounded by the North Atlantic Ocean and the Caribbean Sea that includes 13 independent island countries and 18 dependencies and other territories in three major archipelagos: the Greater A .... References Anacardiaceae Flora of Guatemala {{Anacardiaceae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anacardiaceae
The Anacardiaceae, commonly known as the cashew family or sumac family, are a family of flowering plants, including about 83 genera with about 860 known species. Members of the Anacardiaceae bear fruits that are drupes and in some cases produce urushiol, an irritant. The Anacardiaceae include numerous genera, several of which are economically important, notably cashew (in the type genus ''Anacardium''), mango, Chinese lacquer tree, yellow mombin, Peruvian pepper, poison ivy, poison oak, sumac, smoke tree, marula and cuachalalate. The genus ''Pistacia'' (which includes the pistachio and mastic tree) is now included, but was previously placed in its own family, the Pistaciaceae. Description Trees or shrubs, each has inconspicuous flowers and resinous or milky sap that may be highly poisonous, as in black poisonwood and sometimes foul-smelling. Natural System of Botany (1831)pages 125-127/ref> Resin canals located in the inner fibrous bark of the fibrovascular syst ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anacardiaceae Genera
The Anacardiaceae, commonly known as the cashew family or sumac family, are a family of flowering plants, including about 83 genera with about 860 known species. Members of the Anacardiaceae bear fruits that are drupes and in some cases produce urushiol, an irritant. The Anacardiaceae include numerous genera, several of which are economically important, notably cashew (in the type genus ''Anacardium''), mango, Chinese lacquer tree, yellow mombin, Peruvian pepper, poison ivy, poison oak, sumac, smoke tree, marula and cuachalalate. The genus ''Pistacia'' (which includes the pistachio and mastic tree) is now included, but was previously placed in its own family, the Pistaciaceae. Description Trees or shrubs, each has inconspicuous flowers and resinous or milky sap that may be highly poisonous, as in black poisonwood and sometimes foul-smelling. Natural System of Botany (1831)pages 125-127/ref> Resin canals located in the inner fibrous bark of the fibrovascular system ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Patrick Browne (physician)
Patrick Browne (1720–1790) was an Irish physician and botanist. Career Browne was born in Woodstock, County Mayo in 1720, sent to relatives on Antigua in 1737 and returned to Europe due to ill health after two years. He studied medicine, natural history and especially botany at Reims, Paris, and Leyden, qualifying in 1743. He worked as a physician at St. Thomas's Hospital, London, visited Barbados, Montserrat, Antigua, and St. Kitts in the West Indies and settled as physician in Jamaica in 1746. He corresponded with the botanist Carl Linnaeus, among whose papers were found fragments of articles on venereal diseases and yaws by Browne. His major work, ''The Civil and Natural History of Jamaica'' (1756), illustrated by the botanic artist Georg Dionysius Ehret, contains new names for 104 genera.Patrick Browne author, 1756 - Climatoloy, Medical - 503 pages He retired to Rushbrook, near Claremorris Claremorris (; ) is a town in County Mayo in the west of Ireland, at ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flowering Plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants that produce their seeds enclosed within a fruit. They are by far the most diverse group of land plants with 64 orders, 416 families, approximately 13,000 known genera and 300,000 known species. Angiosperms were formerly called Magnoliophyta (). Like gymnosperms, angiosperms are seed-producing plants. They are distinguished from gymnosperms by characteristics including flowers, endosperm within their seeds, and the production of fruits that contain the seeds. The ancestors of flowering plants diverged from the common ancestor of all living gymnosperms before the end of the Carboniferous, over 300 million years ago. The closest fossil relatives of flowering plants are uncertain and contentious. The earliest angiosperm fossils ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sumac
Sumac ( or ), also spelled sumach, is any of about 35 species of flowering plants in the genus ''Rhus'' and related genera in the cashew family (Anacardiaceae). Sumacs grow in subtropical and temperate regions throughout the world, including East Asia, Africa, and North America. Sumac is used as a spice, as a dye, and in medicine. Description Sumacs are dioecious shrubs and small trees in the family Anacardiaceae that can reach a height of . The leaves are usually pinnately compound, though some species have trifoliate or simple leaves. The flowers are in dense panicles or spikes long, each flower very small, greenish, creamy white or red, with five petals. The fruits are reddish, thin-fleshed drupes covered in varying levels of hairs at maturity and form dense clusters at branch tips, sometimes called sumac bobs. Sumacs propagate both by seed (spread by birds and other animals through their droppings), and by new shoots from rhizomes, forming large clonal colonies. Taxonomy ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dioecious
Dioecy (; ; adj. dioecious , ) is a characteristic of a species, meaning that it has distinct individual organisms (unisexual) that produce male or female gametes, either directly (in animals) or indirectly (in seed plants). Dioecious reproduction is biparental reproduction. Dioecy has costs, since only about half the population directly produces offspring. It is one method for excluding self-fertilization and promoting allogamy (outcrossing), and thus tends to reduce the expression of recessive deleterious mutations present in a population. Plants have several other methods of preventing self-fertilization including, for example, dichogamy, herkogamy, and self-incompatibility. Dioecy is a dimorphic sexual system, alongside gynodioecy and androdioecy. In zoology In zoology, dioecious species may be opposed to hermaphroditic species, meaning that an individual is either male or female, in which case the synonym gonochory is more often used. Most animal species are dioecious (gon ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Contact Dermatitis
Contact dermatitis is a type of acute or chronic inflammation of the skin caused by exposure to chemical or physical agents. Symptoms of contact dermatitis can include itchy or dry skin, a red rash, bumps, blisters, or swelling. These rashes are not contagious or life-threatening, but can be very uncomfortable. Contact dermatitis results from either exposure to allergens (allergic contact dermatitis), or irritants (irritant contact dermatitis). Allergic contact dermatitis involves a delayed type of hypersensitivity and previous exposure to an allergen to produce a reaction. Irritant contact dermatitis is the most common type and represents 80% of all cases. It is caused by prolonged exposure to irritants, leading to direct injury of the epidermal cells of the skin, which activates an immune response, resulting in an inflammatory cutaneous reaction. Phototoxic dermatitis occurs when the allergen or irritant is activated by sunlight. Diagnosis of allergic contact dermatitis can o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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