|
Sideroxylon Eriocarpum
''Sideroxylon'' is a genus of trees in the family Sapotaceae described as a genus by Linnaeus in 1753. They are collectively known as bully trees. The generic name is derived from the Greek words σιδηρος (''sideros''), meaning "iron", and ξύλον (''xylon''), meaning "wood." Distribution The genus is distributed mainly in North and South America, but also in Africa, Madagascar, southern Asia, and various oceanic islands. Some species, such as gum bully ('' S. lanuginosum''), '' S. tenax'', and buckthorn bully ('' S. lycioides''), are found in subtropical areas of North America. The only South African species, the white milkwood ('' S. inerme''), is associated with three historical sites, and these individuals were declared national monuments due to their unusual longevity. Ecology Several species have become rare due to logging and other forms of habitat destruction. The Tambalacoque ('' S. grandiflorum'', syn. ''Calvaria major'') of Mauritius was affected by the exti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sideroxylon Persimile
''Sideroxylon'' is a genus of trees in the family Sapotaceae described as a genus by Linnaeus in 1753. They are collectively known as bully trees. The generic name is derived from the Greek words σιδηρος (''sideros''), meaning "iron", and ξύλον (''xylon''), meaning "wood." Distribution The genus is distributed mainly in North and South America, but also in Africa, Madagascar, southern Asia, and various oceanic islands. Some species, such as gum bully ('' S. lanuginosum''), '' S. tenax'', and buckthorn bully ('' S. lycioides''), are found in subtropical areas of North America. The only South African species, the white milkwood ('' S. inerme''), is associated with three historical sites, and these individuals were declared national monuments due to their unusual longevity. Ecology Several species have become rare due to logging and other forms of habitat destruction. The Tambalacoque ('' S. grandiflorum'', syn. ''Calvaria major'') of Mauritius was affected by the exti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sideroxylon Tenax
''Sideroxylon tenax'', called the tough bully, is a plant species native to Florida, Georgia, South Carolina and the southernmost part of North Carolina. It grows on dry, sandy soil in pine forests, pine-oak woodlands, and hummocks at elevations less than 100 m. ''Sideroxylon tenax'' is a shrub or tree up to 8 m (almost 27 feet) tall. Stems are armed with thorns. Leaves are up to 7 cm (2.8 inches) long, upper side green and sometimes shiny, underside covered with a layer of brown hairs. Flowers are white, up to 5 mm (0.2 inches) across, borne in groups of up to 40 flowers. Berries are very dark purple, almost black, spherical to egg-shaped, about 10 mm (0.4 inches) across. References {{Taxonbar, from=Q15346986 tenax Tenax is the brandname of Toho Tenax owned by Teijin for a carbon fiber. Tenax-7R is an adhesive particularly suited for welding plastic See also * Teijin * Toho Tenax Other uses Tenax is also a brand name for Poly(2,6-diphenylphenylene oxide) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coextinction
Coextinction and cothreatened refer to the phenomena of the loss or decline of a host species resulting in the loss or endangerment of an other species that depends on it, potentially leading to cascading effects across trophic levels. The term originated by the authors Stork and Lyal (1993) and was originally used to explain the extinction of parasitic insects following the loss of their specific hosts. The term is now used to describe the loss of any interacting species, including competition with their counterpart, and specialist herbivores with their food source. Coextinction is especially common when a keystone species goes extinct. Causes The most frequently cited example is that of the extinct passenger pigeon and its parasitic bird lice ''Columbicola extinctus'' and ''Campanulotes defectus''. Recently, ''C. extinctus'' was rediscovered on the band-tailed pigeon, and ''C. defectus'' was found to be a likely case of misidentification of the existing '' Campanulotes flavus''. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dodo
The dodo (''Raphus cucullatus'') is an extinct flightless bird that was endemic to the island of Mauritius, which is east of Madagascar in the Indian Ocean. The dodo's closest genetic relative was the also-extinct Rodrigues solitaire. The two formed the subfamily Raphinae, a clade of extinct flightless birds that were a part of the family which includes pigeons and doves. The closest living relative of the dodo is the Nicobar pigeon. A white dodo was once thought to have existed on the nearby island of Réunion, but it is now believed that this assumption was merely confusion based on the also-extinct Réunion ibis and paintings of white dodos. Subfossil remains show the dodo was about tall and may have weighed in the wild. The dodo's appearance in life is evidenced only by drawings, paintings, and written accounts from the 17th century. Since these portraits vary considerably, and since only some of the illustrations are known to have been drawn from live specimens, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bird
Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton. Birds live worldwide and range in size from the bee hummingbird to the ostrich. There are about ten thousand living species, more than half of which are passerine, or "perching" birds. Birds have whose development varies according to species; the only known groups without wings are the extinct moa and elephant birds. Wings, which are modified forelimbs, gave birds the ability to fly, although further evolution has led to the loss of flight in some birds, including ratites, penguins, and diverse endemic island species. The digestive and respiratory systems of birds are also uniquely adapted for flight. Some bird species of aquatic environments, particularly seabirds and some waterbirds, have further evolved for swimming. B ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Extinction
Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point. Because a species' potential range may be very large, determining this moment is difficult, and is usually done retrospectively. This difficulty leads to phenomena such as Lazarus taxa, where a species presumed extinct abruptly "reappears" (typically in the fossil record) after a period of apparent absence. More than 99% of all species that ever lived on Earth, amounting to over five billion species, are estimated to have died out. It is estimated that there are currently around 8.7 million species of eukaryote globally, and possibly many times more if microorganisms, like bacteria, are included. Notable extinct animal species include non-avian dinosaurs, saber-toothed cats, dodos, m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mauritius
Mauritius ( ; french: Maurice, link=no ; mfe, label=Mauritian Creole, Moris ), officially the Republic of Mauritius, is an island nation in the Indian Ocean about off the southeast coast of the African continent, east of Madagascar. It includes the main island (also called Mauritius), as well as Rodrigues, Agaléga and St. Brandon. The islands of Mauritius and Rodrigues, along with nearby Réunion (a French overseas department), are part of the Mascarene Islands. The main island of Mauritius, where most of the population is concentrated, hosts the capital and largest city, Port Louis. The country spans and has an exclusive economic zone covering . Arab sailors were the first to discover the uninhabited island, around 975, and they called it ''Dina Arobi''. The earliest discovery was in 1507 by Portuguese sailors, who otherwise took little interest in the islands. The Dutch took possession in 1598, establishing a succession of short-lived settlements over a period of about ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
.jpg "Click for more on -> Bird")
.jpg "Click for more on -> Extinction")