Gutierrez triflora(Rose) M.A.Lane
Thurovia is a genus of Texan plants in the aster tribe within the sunflower family.
A genus is a taxonomic rank used in the biological classification of living and fossil organisms, as well as viruses, in biology. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus.
Texas is the second largest state in the United States by both area and population. Geographically located in the South Central region of the country, Texas shares borders with the U.S. states of Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the west, and the Mexican states of Chihuahua, Coahuila, Nuevo León, and Tamaulipas to the southwest, while the Gulf of Mexico is to the southeast.
Astereae is a tribe of plants in the family Asteraceae that includes annuals, biennials, perennials, subshrubs, shrubs, and trees. Plants within the tribe are present nearly worldwide divided into 170 genera and more than 2,800 species, making it the second-largest tribe in the family behind Senecioneae. They are found primarily in temperate regions of the world.
Molecular analysis has since confirmed the uniqueness of Thurovia.
Molecular phylogenetics is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominately in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to determine the processes by which diversity among species has been achieved. The result of a molecular phylogenetic analysis is expressed in a phylogenetic tree. Molecular phylogenetics is one aspect of molecular systematics, a broader term that also includes the use of molecular data in taxonomy and biogeography.
The only known species is Thurovia triflora, commonly known as the threeflower snakeweedor the three-flower broomweed. It is native to the coastal plain of east-central and southeastern Texas.
Per Axel Rydberg was a Swedish-born, American botanist who was the first curator of the New York Botanical Garden Herbarium.
Gutierrezia is a genus of flowering plants in the sunflower family, native to western North America and western South America. Plants of this genus are known generally as snakeweeds or matchweeds. Some species have been called greasewood. They are annual or perennial plants or subshrubs with yellow or white flowers.
Gutierrezia microcephala is a species of flowering plant in the daisy family known by the common names sticky snakeweed, threadleaf snakeweed, threadleaf broomweed, and smallhead snakeweed. It is a subshrub native to the southwestern United States and northern Mexico, and can be found in arid grassland and desert sand dune habitats. It can be toxic to livestock in large quantities, due to the presence of saponins and high concentrations of selenium.
Coulterella capitata is a species of flowering plants in the daisy family. It is the only species of genus Coulterella and of subtribe Coulterellinae.
Manfreda longiflora is a species of flowering plant in the family Asparagaceae that is native to the Lower Rio Grande Valley of Texas in the United States and northern Tamaulipas in Mexico. Common names include amole de río, longflower tuberose, and Runyon's huaco. The type specimens were sent by botanist and photographer Robert Runyon (1881–1968) to the New York Botanical Garden in 1921. Consequently, the species was initially placed in a monotypic genus named in his honour, Runyonia, by Joseph Nelson Rose. M. longiflora is a rhizomatous perennial with 3–7 prostrate leaves in a basal rosette. It inhabits hills, terraces and slopes in the semi-arid Tamaulipan mezquital.
Chloris texensis is a species of grass known by the common name Texas windmill grass. It is endemic to Texas in the United States, where it occurs on the coastal prairies.
Gutierrezia texana is a North American species of flowering plant in the Asteraceae family known by the common name Texas snakeweed. It is native to the south-central United States and northern Mexico as far south as Guanajuato and Hidalgo.
Prionosciadium linearifolium is a plant known from the Mexican states of Puebla and Zacatecas. It is a biennial herb with compound leaves with long linear leaflets.
Oxalis lasiandra, common names palm tree oxalis and Mexican shamrock, is a plant species native to the Mexican State of Oaxaca but grown as an ornamental in other regions. It occurs in Quercus-Acacia and Quercus forests at elevations of 1,700–2,160 m (5,580–7,090 ft).
Allium macropetalum, the desert onion, is a species of wild onion native to the desert regions of southwestern United States and northwestern Mexico. It is known from desert plains and hills in Sonora, Arizona, Utah, Colorado, New Mexico, and Texas, at elevations up to 2500 m.
Rose Eudora Collom was an American botanist and plant collector. She was the first paid botanist of the Grand Canyon National Park. She discovered several plant species, some of which were named in her honor, and collected numerous plant specimens.
Caroline Priscilla Bingham was an American botanist who was one of the earliest American women to publish scientific papers on botany. She was an influential collector of botanical specimens discovering a new genus and several new species. As a result of her discoveries Bingham had a genus and several algae species named in her honor.
Brickellia hebecarpa is a Mexican species of flowering plants in the daisy family. It is native to western Mexico, the states of Colima, Michoacán, and Jalisco.
Deinandra greeneana is a rare North American species of plants in the tarweed tribe within the.
Deinandra palmeri is a rare North American species of plants in the tarweed tribe within the.
Gutierrezia petradoria is a species of flowering plant in the daisy family known by the common names San Pedro snakeweed and goldenrod snakeweed
Gutierrezia wrightii is a North American species of flowering plant in the daisy family known by the common name Wright's snakeweed. It is native to the southwestern United States and northwestern Mexico.
Heterosperma pinnatum, the wingpetal, is a New World species of plants in the sunflower family. It has a discontinuous distribution in North and South America, having been found in Bolivia, Venezuela, Mexico, Guatemala, Honduras, and the southwestern United States, United States, Bolivia, Venezuela
Hymenopappus radiatus, the ray hymenopappus, is a North American species of flowering plant in the daisy family.
Janet Russell Perkins was an American-born botanist. Perkins authored 191 land plant species names, the tenth-highest number of such names authored by any female scientist.
NatureServe, Inc. is an Arlington, Virginia-based non-profit organization that provides proprietary wildlife conservation-related data, tools, and services to private and government clients, partner organizations, and the public. NatureServe reports being "headquartered in Arlington, Virginia, with regional offices in four U.S. locations and in Canada." In calendar year 2011 they reported having 86 employees, 6 volunteers, and 15 independent officers.
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