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Pinus Remota
''Pinus remota'', commonly known as the Texas pinyon or papershell pinyon, is a pine in the pinyon pine group, native to southwestern Texas and northeastern Mexico. It can be distinguished from other pinyon species by its thin-walled seeds, which made it especially attractive as a food to Indians and Mexicans living where it grew. Spanish explorer Cabeza de Vaca noted that the papershell pinon was an important food for the Indians in 1536. Description ''Pinus remota'' is a small tree or large shrub, reaching 3–10 m tall and with a trunk diameter of up to 40 cm. The bark is thick, rough, and scaly. The leaves ('needles') are in mixed pairs and threes (mostly pairs), slender, 3–5 cm long, and dull gray-green, with stomata on both inner and outer surfaces. The cones are squat globose, 3–5 cm long and broad when closed, green at first, ripening yellow-buff when 18–20 months old, with only a small number of thin scales, with typically 5-12 fertile scales. T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The IUCN Red List Of Threatened Species
The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is an inventory of the global conservation status and extinction risk of biological species. A series of Regional Red Lists, which assess the risk of extinction to species within a political management unit, are also produced by countries and organizations. The goals of the Red List are to provide scientifically based information on the status of species and subspecies at a global level, to draw attention to the magnitude and importance of threatened biodiversity, to influence national and international policy and decision-making, and to provide information to guide actions to conserve biological diversity. Major species assessors include BirdLife International, the Institute of Zoology (the research division of the Zoological Society of London), the World Conservation Monitoring Centre, and many Specialist Groups within th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vestigial
Vestigiality is the retention, during the process of evolution, of genetically determined structures or attributes that have lost some or all of the ancestral function in a given species. Assessment of the vestigiality must generally rely on comparison with homologous features in related species. The emergence of vestigiality occurs by normal evolutionary processes, typically by loss of function of a feature that is no longer subject to positive selection pressures when it loses its value in a changing environment. The feature may be selected against more urgently when its function becomes definitively harmful, but if the lack of the feature provides no advantage, and its presence provides no disadvantage, the feature may not be phased out by natural selection and persist across species. Examples of vestigial structures (also called degenerate, atrophied, or rudimentary organs) are the loss of functional wings in island-dwelling birds; the human vomeronasal organ; and the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coahuila
Coahuila, formally Coahuila de Zaragoza, officially the Free and Sovereign State of Coahuila de Zaragoza, is one of the 31 states of Mexico. The largest city and State Capital is the city of Saltillo; the second largest is Torreón and the third largest is Monclova (a former state capital); the fourth largest is Piedras Negras; and the fifth largest is Ciudad Acuña. Coahuila borders the Mexican states of Nuevo León to the east, Zacatecas to the south, and Durango and Chihuahua to the west. To the north, Coahuila accounts for a stretch of the Mexico–United States border, adjacent to the U.S. state of Texas along the course of the Rio Grande (Río Bravo del Norte). With an area of , it is the nation's third-largest state. It comprises 38 municipalities ''(Municipio (Mexico), municipios)''. In the 2020 Census, Coahuila had a population of 3,146,771. History The name Coahuila derives from native terms for the region, and has been known by variations such as Cuagüila and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Presidio, Texas
Presidio is a city in Presidio County, Texas, United States. It is situated on the Rio Grande (''Río Bravo del Norte'') River, on the opposite side of the U.S.–Mexico border from Ojinaga, Chihuahua. The name originates from Spanish and means "fortress". The population was 3,264 at the 2020 census. Presidio is on the Farm to Market Road 170, and U.S. Route 67, south of Shafter in Presidio County. Presidio is approximately southeast of El Paso, southwest of Odessa, and northeast of Chihuahua City. History The junction of the Rio Conchos and Rio Grande at Presidio was settled thousands of years ago by hunting and gathering peoples. By 1200 CE, the local Native Americans had adopted agriculture and lived in small, closely knit, La Junta Indians settlements, which the Spaniards later called ''pueblos''. The first Spaniards came to Presidio in 1535. Álvar Núñez Cabeza de Vaca and his three companions stopped at the Native American pueblo, placed a cross on the moun ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fort Stockton, Texas
Fort Stockton is a city in and the county seat of Pecos County, Texas, United States. It is located on Interstate 10 in Texas, Interstate 10, future Interstate 14, U.S. Highways U.S. Route 67 in Texas, 67, U.S. Route 285 in Texas, 285, and U.S. Route 385 in Texas, 385, and the Santa Fe Railroad, northwest of San Antonio and southeast of El Paso, Texas, El Paso. Its population was 8,466 at the United States Census, 2020, 2020 census. History Fort Lancaster sent 1st Infantry Co. H "to take post" along Comanche Springs (Texas), Comanche Springs on 12 April 1859. Fort Stockton (named Camp Stockton until 1860) grew up around Comanche Springs, one of the largest sources of spring water in Texas. The fort was named for Robert F. Stockton. Comanche Springs was a favorite rest stop on the Great Comanche Trail to Chihuahua (state), Chihuahua, San Antonio-El Paso Road, and the Butterfield Overland Mail route. On October 2, 1859, the well-known journalist and author (and future Union ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Edwards Plateau
The Edwards Plateau is a geographic region forming the crossroads of Central, South and West Texas, United States. It is named in honor of Haden Edwards. It is bounded by the Balcones Fault to the south and east; the Llano Uplift and the Llano Estacado to the north; and the Pecos River and Chihuahuan Desert to the west. San Angelo, Austin, San Antonio and Del Rio roughly outline the area. The plateau, especially its southeast portion, is also known as the Texas Hill Country. Natural history The bedrock consists primarily of limestone, with elevations ranging between 100 and 3000 ft. Caves are numerous. The landscape of the plateau is mostly savanna scattered with trees. It mostly lacks deep soil suitable for farming, though the soil type is fertile mollisol, so some cotton, grain sorghum, and oats are grown. For the most part, though, the thin soil and rough terrain areas are primarily grazing regions, with cattle, sheep, and goats ( Angora and meat types) predom ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Colorado
Colorado is a U.S. state, state in the Western United States. It is one of the Mountain states, sharing the Four Corners region with Arizona, New Mexico, and Utah. It is also bordered by Wyoming to the north, Nebraska to the northeast, Kansas to the east, and Oklahoma to the southeast. Colorado is noted for its landscape of mountains, forests, High Plains (United States), high plains, mesas, canyons, plateaus, rivers, and desert lands. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains. Colorado is the List of U.S. states and territories by area, eighth-largest U.S. state by area and the List of U.S. states and territories by population, 21st by population. The United States Census Bureau estimated the population of Colorado to be 5,957,493 as of July 1, 2024, a 3.2% increase from the 2020 United States census. The region has been inhabited by Native Americans in the United St ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Colorado Pinyon
''Pinus edulis'', the Colorado pinyon, two-needle piñon, pinyon pine, or simply piñon, is a pine in the pinyon pine group native to the Southwestern United States, used for its edible pine nuts. Description The piñon pine (''Pinus edulis'') is a small to medium size tree, reaching tall and with a trunk diameter of up to , rarely more. Its growth is "at an almost inconceivably slow rate" growing only 1.8 meters (6 ft) in one hundred years under good conditions. for an average growth of 18 millimeters (0.72 in) per year. The bark is irregularly furrowed and scaly. The leaves ('needles') are in pairs, moderately stout, long, and green, with stomata on both inner and outer surfaces but distinctly more on the inner surface forming a whitish band. The cones are globose, long and broad when closed, green at first, ripening yellow-buff when 18–20 months old, with only a small number of thick scales, with typically 5–10 fertile scales. The cones open to broad when mature, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Species
A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. Other ways of defining species include their karyotype, DNA sequence, morphology (biology), morphology, behaviour, or ecological niche. In addition, palaeontologists use the concept of the chronospecies since fossil reproduction cannot be examined. The most recent rigorous estimate for the total number of species of eukaryotes is between 8 and 8.7 million. About 14% of these had been described by 2011. All species (except viruses) are given a binomial nomenclature, two-part name, a "binomen". The first part of a binomen is the name of a genus to which the species belongs. The second part is called the specific name (zoology), specific name or the specific ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pinus Cembroides
''Pinus cembroides'', also known as pinyon pine, Mexican pinyon, Mexican nut pine, and Mexican stone pine, is a pine in the pinyon pine group. It is a small pine growing to about with a trunk diameter of up to . It is native to western North America. It grows in areas with low levels of rainfall and its range extends southwards from Arizona, Texas and New Mexico in the United States into Mexico. It typically grows at altitudes between . The seeds are large and form part of the diet of the Mexican jay and Abert's squirrel. They are also collected for human consumption, being the most widely used pine nut in Mexico. Description ''Pinus cembroides'' is a small to medium-size tree, reaching tall and with a trunk diameter of up to . The bark is dark brown, thick and deeply fissured at the base of the trunk. The leaves ('needles') are in mixed pairs and threes, slender, to long, and dull yellowish green, with stomata on both inner and outer surfaces. The cones are globose, to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Variety (biology)
In botanical nomenclature, variety (abbreviated var.; in ) is a taxonomic rank below that of species and subspecies, but above that of form. As such, it gets a three-part infraspecific name. It is sometimes recommended that the subspecies rank should be used to recognize geographic distinctiveness, whereas the variety rank is appropriate if the taxon is seen throughout the geographic range of the species. Example The pincushion cactus, ''Escobaria vivipara'', is a wide-ranging variable species occurring from Canada to Mexico, and found throughout New Mexico below about . Nine varieties have been described. Where the varieties of the pincushion cactus meet, they intergrade. The variety ''Escobaria vivipara'' var. ''arizonica'' is from Arizona, while ''Escobaria vivipara'' var. ''neo-mexicana'' is from New Mexico. Definitions The term is defined in different ways by different authors. However, the International Code of Nomenclature for Cultivated Plants, while recognizing ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Elbert L
Elbert is a name that derived from the Germanic ''Alibert'' and may refer to: People Given name * Elbert Andrews (1901–1979), American baseball player * Elbert Dysart Botts (1893–1962), American engineer * Elbert Adrain Brinckerhoff (1838–1913), American merchant and mayor * Elbert Caraway (1905–1975), American football and baseball player and coach * Elbert Frank Cox (1895–1969), American mathematician * Elbert Crawford (1966–2013), American football player * Elbert Dijkgraaf (born 1970), Dutch economist and politician * Elbert Allen Drummond (1943–2012), American heir, businessman and philanthropist * Elbert Drungo (1943–2014), American football offensive lineman * Elbert Dubenion (1933–2019), American football flanker * Elbert Eatmon (1914–1998), American professional baseball pitcher * Elbert H. English (1816–1884), associate justice of the Arkansas Supreme Court * Elbert Floyd-Jones (1817–1901), American politician * Elbert Foules (born 196 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
