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? Creosote bush Larrea tridentata bushes near Kilbourne hole, New Mexico Scientific classification Kingdom: Plantae Division: Magnoliophyta Class: Magnoliopsida Order: Zygophyllales Family: Zygophyllaceae Genus: Larrea Species: L. tridentata Binomial name Larrea tridentata (Sessé & Moc. ex DC.) Coville The Creosote bush (Larrea tridentata, formerly Larrea divaricata) is an evergreen shrub of the Zygophyllaceae family. It is a prominent species in the Mojave, Sonoran, and Chihuahua Deserts of western North America, including portions of California, Arizona, Nevada, Utah, and western Texas in the United States, and northern Chihuahua in Mexico. The wand-like stems of the plant bear resinous, dark green leaves and small yellow flowers. It also exhibits a characteristic odor of its creosote namesake. Some specimens have been found with heights of three meters, but typical plants do not exceed one meter. Creosote bush in foreground, overlooking basalt cliffs in background File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Kilbourne Hole is a Maar volcanic crater, located 30 miles west of the Franklin mountains of El Paso, Texas, in Doña Ana County, New Mexico. ... Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Divisions Land plants (embryophytes) Non-vascular plants (bryophytes) Hepatophyta - liverworts Anthocerophyta - hornworts Bryophyta - mosses Vascular plants (tracheophytes) Lycopodiophyta - clubmosses Equisetophyta - horsetails Pteridophyta - true ferns Psilotophyta - whisk ferns Ophioglossophyta - adderstongues Seed plants (spermatophytes) †Pteridospermatophyta - seed ferns Pinophyta - conifers Cycadophyta - cycads Ginkgophyta - ginkgo Gnetophyta - gnetae Magnoliophyta - flowering plants Adiantum pedatum (a fern... Classes Magnoliopsida - Dicots Liliopsida - Monocots The flowering plants (also angiosperms or Magnoliophyta) are one of the major groups of modern plants, comprising those that produce seeds in specialized reproductive organs called flowers, where the ovulary or carpel is enclosed. ... Orders see text Dicotyledons or dicots are flowering plants whose seed contains two embryonic leaves or cotyledons. ... Families Zygophyllaceae Krameriaceae The Zygophyllales are an order of dicotyledon plants, comprising the following two families: Family Zygophyllaceae Family Krameriaceae Under the older Cronquist system, the Zygophyllaceae were included within the Sapindales, and the Krameriaceae within the Polygalales. ... Family: Zygophyllaceae Genera: Augea Bulnesia Fagonia Guaiacum Halimiphyllum Izozogia Kallstroemia Kelleronia Larrea Metharme Miltianthus Morkillia Neoluederitzia Peganum Pintoa Plectrocarpa Porlieria Roepera Sarcozygium Seetzenia Sericodes Sisyndite Tetradiclis Tetraena Tribulopis Tribulus Viscainoa Zygophyllum The Zygophyllaceae are a family of about 250 species of dicotyledonous plants also known as the bean-caper family... Species Larrea ameghinoi Larrea cuneifolia Larrea divaricata Larrea nitida Larrea tridentata Larrea is a genus of five species of New World evergreen shrubs that includes the Creosote bush Larrea tridentata of North America and the Jarillas of South America. ... In biology, binomial nomenclature is a standard convention used for naming species. ... A Silver Fir shoot showing three successive years of retained leaves In botany, an evergreen plant is a plant which retains its leaves year-round, with each leaf persisting for more than 12 months. ... A willow shrub A shrub or bush is a horticultural rather than strictly botanical category of woody plant, distinguished from a tree by its multiple stems and lower height, usually less than 6 m tall. ... Family: Zygophyllaceae Genera: Augea Bulnesia Fagonia Guaiacum Halimiphyllum Izozogia Kallstroemia Kelleronia Larrea Metharme Miltianthus Morkillia Neoluederitzia Peganum Pintoa Plectrocarpa Porlieria Roepera Sarcozygium Seetzenia Sericodes Sisyndite Tetradiclis Tetraena Tribulopis Tribulus Viscainoa Zygophyllum The Zygophyllaceae are a family of about 250 species of dicotyledonous plants also known as the bean-caper family... In biology, a species is, loosely speaking, a group of related organisms that share a more or less distinctive form and are capable of interbreeding. ... Mojave Desert The Mojave or Mohave Desert occupies a significant portion of Southern California and parts of Utah, Nevada and Arizona. ... Sonoran Desert wildlife Mountains in the Sonoran Desert The Sonoran Desert is a North American desert which straddles part of the border between the United States and Mexico and covers large parts of the states of Arizona, California and Sonora. ... The Chihuahuan Desert is a desert mainly situated in much of central and southern New Mexico, Texas west of the Pecos River, the northern half of the Mexican state of Chihuahua and most of the Mexican state of Coahuila. ... World map showing location of North America A satellite composite image of North America North America is a continent in the northern hemisphere, bounded on the north by the Arctic Ocean, on the east by the North Atlantic Ocean, on the south by the Caribbean Sea, and on the west... State nickname: The Golden State Other U.S. States Capital Sacramento Largest city Los Angeles Governor Arnold Schwarzenegger (R) Official languages English Area 410,000 km² (3rd)  - Land 404,298 km²  - Water 20,047 km² (4. ... State nickname: The Grand Canyon State, The Copper State Other U.S. States Capital Phoenix Largest city Phoenix Governor Janet Napolitano (D) Official languages English Only State Area 295,254 km² (6th)  - Land 294,312 km²  - Water 942 km² (0. ... State nickname: Silver State, Battle Born State (official) Other U.S. States Capital Carson City Largest city Las Vegas Governor Kenny Guinn (R) Official languages None Area 286,367 km² (7th)  - Land 284,396 km²  - Water 1,971 km² (0. ... // History Early history Native Americans have lived in Utah for several thousand years; most archeological evidence dates such habitation about 10,000 to 12,000 years ago. ... Prior to 1821, Texas was part of the Spanish colony of New Spain. ... The state of Chihuahua is the largest of the 31 states of Mexico and is located in the northwestern part of the country. ... Wildflowers A flower is the reproductive organ of those plants classified as angiosperms (flowering plants; Division Magnoliophyta). ... Creosote is the name used for a variety of products: wood creosote, coal tar creosote, coal tar, coal tar pitch, and coal tar pitch volatiles. ... Now, however, it has been shown that the root systems of mature plants are simply so efficient at absorbing water that fallen seeds nearby can not accumulate enough water to germinate, effectively creating dead zones around every plant. It also seems that all plants within a stand grow at approximately the same rate, and that Creosote Bush is a very long-living plant. From this, it can be concluded that all the plants inside a stand are of equal age. Contributing to the harshness of the germination environment above mature root systems, young Creosote Bushes are much more susceptible to drought stress than entrenched plants. Germination is actually quite abundant during wet periods, but most of the young plants die very quickly unless there are optimal water conditions. Ground heat compounds the young plants' aversity to water stress, and ground temperatures can reach upwards of 70° C (160° F). To become established, it seems the young plant must experience a pattern of three to five years of abnormally cool and moist weather during and after germination. Mature plants, however, can tolerate extreme drought stress. In terms of negative water potential, Creosote Bushes can operate fully at -50 bars of water potential and have been found living down to -120 bars, although the practical average floor is around -70 bars, where the plant's need for cellular respiration generally exceeds the level that the water-requiring process of photosynthesis can provide. Cell division can occur during these times of water stress, and it is common for new cells to quickly absorb water after rainfall. This rapid uptake causes branches to 'grow' several centimeters at the end of a dry season. ... Bars or bars can be:- Plural of bar. ... Creosote Bush's small leaves have a high surface-volume ratio, optimizing the rate at which heat escapes and water content is retained. Water loss is further decreased by the resinous, waxy coating of the leaves. Plants do drop some leaves heading into summer, but if all leaves are lost, the plant will not recover. Accumulation of fallen leaves, as well as other detrius caught from the passing wind, creates an ecological community specific to the Creosote Bush canopy, including beetles, millipedes, pocket mice, and kangaroo rats. Suborders Adephaga Archostemata Myxophaga Polyphaga See subgroups of the order Coleoptera Beetles are one of the main groups of insects. ... This page is about the creature known as the millipede. ... Species 21, see text Kangaroo rats, genus Dipodomys, are small rodents native to North and Central America. ... External links FEIS entry About.com entry Drug Digest entry The World's Oldest Living Thing photo links close photo of flower landscape with creosote various photos Categories: Zygophyllales

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	Creosote (553 words) Creosote is the name used for a variety of products: wood creosote, coal tar creosote, coal tar, coal tar pitch, and coal tar pitch volatiles. Wood creosote is a colorless to yellowish greasy liquid with a smoky odor and burned taste. Brief direct contact with large amounts of coal tar creosote may result in a rash or severe irritation of the skin, chemical burns of the surfaces of the eyes, convulsions and mental confusion, kidney or liver problems, unconsciousness, and even death.
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