Pilostyles Thurberi
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Pilostyles Thurberi
''Pilostyles thurberi'' is a species of endoparasitic flowering plant known by the common names Thurber's stemsucker and Thurber's pilostyles. It is native to the southwestern United States and northern Mexico, where it grows in desert and woodland. In the United States, ''P. thurberi'' has been recorded from the states of Arizona, California, New Mexico, Nevada, Texas. Description It is a tiny parasitic plant, only a few millimeters long, which lives in the stem tissues of its host plants, species of legume shrubs, often of genus ''Psorothamnus'', especially Emory's indigo bush or dyebush (''Psorothamnus emoryi''). It has no roots, leaves, or chlorophyll, obtaining its water and nutrients from the host.Armstrong, WSouthern California's Most Unusual Wildflower/ref> It grows as microscopic strands similar to fungal filaments completely within the stems of its host, until when it blooms, sending tiny flowers through the surface of the host plant. It is a dioecious species, with ...
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Asa Gray
Asa Gray (November 18, 1810 – January 30, 1888) is considered the most important American botanist of the 19th century. His ''Darwiniana'' was considered an important explanation of how religion and science were not necessarily mutually exclusive. Gray was adamant that a genetic connection must exist between all members of a species. He was also strongly opposed to the ideas of hybridization within one generation and special creation in the sense of its not allowing for evolution. He was a strong supporter of Darwin, although Gray's theistic evolution was guided by a Creator. As a professor of botany at Harvard University for several decades, Gray regularly visited, and corresponded with, many of the leading natural scientists of the era, including Charles Darwin, who held great regard for him. Gray made several trips to Europe to collaborate with leading European scientists of the era, as well as trips to the southern and western United States. He also built an extensive ne ...
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United States And Mexican Boundary Survey
The United States and Mexican Boundary Survey (1848–1855) determined the border between the United States and Mexico as defined in the Treaty of Guadalupe Hidalgo, which had ended the Mexican–American War. The results of the survey were published in the three volumes entitled Report on the United States and Mexican boundary survey, made under the direction of the secretary of the Interior by William H. Emory' (1857-1859). In addition to its documentation of the new boundary, the survey report was notable for its natural history content, including paleontology, botany, ichthyology, herpetology, ornithology, and mammalogy. The survey was also provided to the war department now known as the United States Department of War in order to provide data for building a railroad line. In the report's section titled, "Personal Accounts", a brief description of Panama is also included, along with the experiences he and his men had while conducting the survey, including the experiences of h ...
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Flora Of Texas
Flora is all the plant life present in a particular region or time, generally the naturally occurring (indigenous) native plants. Sometimes bacteria and fungi are also referred to as flora, as in the terms '' gut flora'' or '' skin flora''. Etymology The word "flora" comes from the Latin name of Flora, the goddess of plants, flowers, and fertility in Roman mythology. The technical term "flora" is then derived from a metonymy of this goddess at the end of the sixteenth century. It was first used in poetry to denote the natural vegetation of an area, but soon also assumed the meaning of a work cataloguing such vegetation. Moreover, "Flora" was used to refer to the flowers of an artificial garden in the seventeenth century. The distinction between vegetation (the general appearance of a community) and flora (the taxonomic composition of a community) was first made by Jules Thurmann (1849). Prior to this, the two terms were used indiscriminately.Thurmann, J. (1849). ''Essai de ...
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Flora Of Nevada
Flora is all the plant life present in a particular region or time, generally the naturally occurring (indigenous) native plants. Sometimes bacteria and fungi are also referred to as flora, as in the terms '' gut flora'' or '' skin flora''. Etymology The word "flora" comes from the Latin name of Flora, the goddess of plants, flowers, and fertility in Roman mythology. The technical term "flora" is then derived from a metonymy of this goddess at the end of the sixteenth century. It was first used in poetry to denote the natural vegetation of an area, but soon also assumed the meaning of a work cataloguing such vegetation. Moreover, "Flora" was used to refer to the flowers of an artificial garden in the seventeenth century. The distinction between vegetation (the general appearance of a community) and flora (the taxonomic composition of a community) was first made by Jules Thurmann (1849). Prior to this, the two terms were used indiscriminately.Thurmann, J. (1849). ''Essai de ...
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Flora Of California
Flora is all the plant life present in a particular region or time, generally the naturally occurring (indigenous) native plants. Sometimes bacteria and fungi are also referred to as flora, as in the terms '' gut flora'' or '' skin flora''. Etymology The word "flora" comes from the Latin name of Flora, the goddess of plants, flowers, and fertility in Roman mythology. The technical term "flora" is then derived from a metonymy of this goddess at the end of the sixteenth century. It was first used in poetry to denote the natural vegetation of an area, but soon also assumed the meaning of a work cataloguing such vegetation. Moreover, "Flora" was used to refer to the flowers of an artificial garden in the seventeenth century. The distinction between vegetation (the general appearance of a community) and flora (the taxonomic composition of a community) was first made by Jules Thurmann (1849). Prior to this, the two terms were used indiscriminately.Thurmann, J. (1849). ''Essai de ...
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Flora Of Arizona
Flora is all the plant life present in a particular region or time, generally the naturally occurring (indigenous) native plants. Sometimes bacteria and fungi are also referred to as flora, as in the terms '' gut flora'' or '' skin flora''. Etymology The word "flora" comes from the Latin name of Flora, the goddess of plants, flowers, and fertility in Roman mythology. The technical term "flora" is then derived from a metonymy of this goddess at the end of the sixteenth century. It was first used in poetry to denote the natural vegetation of an area, but soon also assumed the meaning of a work cataloguing such vegetation. Moreover, "Flora" was used to refer to the flowers of an artificial garden in the seventeenth century. The distinction between vegetation (the general appearance of a community) and flora (the taxonomic composition of a community) was first made by Jules Thurmann (1849). Prior to this, the two terms were used indiscriminately.Thurmann, J. (1849). ''Essai de ...
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Apodanthaceae
The family Apodanthaceae comprises about 10 species of endoparasitic herbs. They live in the branches or stems of their hosts (as filaments similar to a fungal mycelium), emerging only to flower and fruit. The plants produce no green parts and do not carry out any photosynthesis (that is, they are holoparasitic A parasitic plant is a plant that derives some or all of its nutritional requirements from another living plant. They make up about 1% of angiosperms and are found in almost every biome. All parasitic plants develop a specialized organ called the ...). There are two genera: '' Pilostyles'' and '' Apodanthes''.Albert Blarer, Daniel L. Nickrent, and Peter K. Endress. 2004. "Comparative floral structure and systematics in Apodanthaceae (Rafflesiales)". ''Plant Systematics and Evolution'' 245(1-2):119-142. A third genus, ''Berlinianche'', was never validly published.Bellot, S., and S. S. Renner. 2013. "Pollination and mating systems of Apodanthaceae and the distribution of r ...
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Parasitic Plants
A parasitic plant is a plant that derives some or all of its nutritional requirements from another living plant. They make up about 1% of angiosperms and are found in almost every biome. All parasitic plants develop a specialized organ called the haustorium, which penetrates the host plant, connecting them to the host vasculature – either the xylem, phloem, or both. For example, plants like ''Striga'' or ''Rhinanthus'' connect only to the xylem, via xylem bridges (xylem-feeding). Alternately, plants like ''Cuscuta'' and some members of ''Orobanche'' connect to both the xylem and phloem of the host. This provides them with the ability to extract water and nutrients from the host. Parasitic plants are classified depending on the location where the parasitic plant latches onto the host (root or stem), the amount of nutrients it requires, and their photosynthetic capability. Some parasitic plants can locate their host plants by detecting volatile chemicals in the air or soil given ...
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Chihuahua (state)
Chihuahua (), officially the Free and Sovereign State of Chihuahua ( es, Estado Libre y Soberano de Chihuahua), is one of the 31 states which, along with Mexico City, comprise the 32 federal entities of Mexico. It is located in northwestern Mexico, and is bordered by the states of Sonora to the west, Sinaloa to the southwest, Durango to the south, and Coahuila to the east. To the north and northeast, it shares an extensive border with the U.S. adjacent to the U.S. states of New Mexico and Texas. Its capital city is Chihuahua City; the largest city is Ciudad Juárez. Although Chihuahua is primarily identified with its namesake, the Chihuahuan Desert, it has more forests than any other state in Mexico, aside from Durango. Due to its variant climate, the state has a large variety of fauna and flora. The state is mostly characterized by rugged mountainous terrain and wide river valleys. The Sierra Madre Occidental mountain range, part of the continental spine that also inc ...
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Sonora
Sonora (), officially Estado Libre y Soberano de Sonora ( en, Free and Sovereign State of Sonora), is one of the 31 states which, along with Mexico City, comprise the Administrative divisions of Mexico, Federal Entities of Mexico. The state is divided into Municipalities of Sonora, 72 municipalities; the capital (and largest) city of which being Hermosillo, located in the center of the state. Other large cities include Ciudad Obregón, Nogales, Sonora, Nogales (on the Mexico–United States border, Mexico-United States border), San Luis Río Colorado, and Navojoa. Sonora is bordered by the states of Chihuahua (state), Chihuahua to the east, Baja California to the northwest and Sinaloa to the south. To the north, it shares the Mexico–United States border, U.S.–Mexico border primarily with the state of Arizona with a small length with New Mexico, and on the west has a significant share of the coastline of the Gulf of California. Sonora's natural geography is divided into three ...
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San Felipe, Baja California
San Felipe is a coastal city in San Felipe Municipality, Baja California, located on the Gulf of California. The population of San Felipe was reported as 17,143 inhabitants in the 2020 Mexican Census. San Felipe is historically a fishing town. Today it is also a popular tourist destination, known for its beaches, nature, and desert racing, as home to the ''San Felipe 250''. History The first European to arrive in the Baja California Peninsula was Hernán Cortés on May 3, 1535. The history of San Felipe began later with the expeditions of Francisco de Ulloa, one of Cortés's captains who navigated the bay in September 1535. In 1536, Hernando de Alarcón and Domingo Castillo explored the region and made the first detailed map of the peninsula, giving San Felipe its original name, Santa Catalina. After the first expeditions were long forgotten, Father Eusebio Kino rediscovered the Baja California peninsula in 1701. Juan de Ugarte later built the first ship in Baja California and e ...
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Mexicali
Mexicali (; ) is the capital city of the Mexican state of Baja California. The city, seat of the Mexicali Municipality, has a population of 689,775, according to the 2010 census, while the Calexico–Mexicali metropolitan area is home to 1,000,000 inhabitants on both sides of the United States-Mexico border. Mexicali is a regional economic and cultural hub for the border region of The Californias. Mexicali was founded at the turn of the 20th century, when the region's agricultural economy experienced a period of boom. The city rapidly expanded throughout the 20th century, owing to the proliferation of maquiladoras in the city, making the Mexicali economy more interconnected with businesses from across the border. Today, Mexicali is a major manufacturing center and an emerging tourist destination. History The Spaniards arrived in the area after crossing the Sonoran Desert's " Camino del Diablo" or Devil's Road. This led to the evangelization of the area by Catholic missionar ...
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