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Tetraneuris
''Tetraneuris'', commonly known as four-nerve daisy or bitterweed, is a genus of North American plants in the sneezeweed tribe within the daisy family. The genus includes one annual, '' Tetraneuris linearifolia'', with all the other species being perennials. The name is of Greek origin, ''tetra'', four and ''neuron'', nerve, referring to the venation of the rays, which are three-lobed with the outer lobes themselves having an apparent vein down the middle. ; SpeciesFlann, C (ed) 2009+ Global Compositae Checklist
Biota of North America Program ...
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Tetraneuris Acaulis
''Tetraneuris acaulis'' is a North American species of flowering plants in the sunflower family.Tetraneuris acaulis'. ITIS.Tetraneuris acaulisLady Bird Johnson Wildflower Center'', University of Texas.Hymenoxys acaulis'. ''The Jepson Manual, University of Calilfornia''Hymenoxys acaulis''. United States Geologic Survey, Native Wildflowers of the North Dakota Grasslands.
Southwest Colorado Wildflowers.

Tetraneuris acaulis
'. CalFlora taxon report, University of California


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Tetraneuris Scaposa
''Tetraneuris scaposa'' (common names stemmy four-nerve daisy and stemmy hymenoxys) is a North American species of plants in the sunflower family. It grows in the southwestern and south-central United States (Nebraska, Kansas, Oklahoma, Kansas, Oklahoma, Texas, New Mexico, Arizona, Utah, Colorado) and northern Mexico (Chihuahua, Coahuila, Nuevo León, Tamaulipas, San Luis Potosí, Zacatecas). ''Tetraneuris scaposa'' is a perennial herb up to 40 cm (16 inches) tall. It forms a branching underground caudex sometimes producing as many as 100 above-ground stems. Leaves are concentrated low on the stem, close to the ground. Flower heads can either be one on a stem, or clustered in tight clumps. Each head has 12–26 ray flowers surrounding 25–180 disc flowers. Uses The Zuni people use an infusion of it as an eyewash Eyewash is a fluid, commonly salineus, used to physically wash the eyes in the case that they may be contaminated by foreign materials or substances. Eyewashe ...
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Tetraneuris Ivesiana
''Tetraneuris ivesiana'' is a North American species of plants in the sunflower family, known by the common name Ives' fournerved daisy. It grows in the southwestern United States, in Arizona, New Mexico, Utah, Colorado. ''Tetraneuris ivesiana'' is a perennial herb up to tall. It forms a branching underground caudex sometimes producing as many as 30 above-ground stems. One plant can produce as many as 30 flower heads. Each head has 7-10 yellow ray flowers surrounding 40-150 yellow disc flowers. References ivesiana ''Ivesiana'' is a ballet choreographed by George Balanchine to compositions by Charles Ives. The ballet premiered on September 14, 1954, four months after Ives's death, at the City Center of Music and Drama, performed by the New York City Ball ... Flora of the Southwestern United States Endemic flora of the United States Plants described in 1898 {{medicinal-plant-stub ...
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Tetraneuris Linearifolia
''Tetraneuris linearifolia'' is a North American species of plants in the sunflower family, known by the common name fineleaf fournerved daisy. It grows in the south-central United States (Kansas, Oklahoma, Texas, New Mexico) and northern Mexico (Coahuila, Nuevo León, Tamaulipas). ''Tetraneuris linearifolia'' is an annual herb up to tall. It forms a branching underground caudex A caudex (plural: caudices) of a plant is a stem, but the term is also used to mean a rootstock and particularly a basal stem structure from which new growth arises.pages 456 and 695 In the strict sense of the term, meaning a stem, "caudex" is m ... sometimes producing as many as 10 above-ground stems. One plant can produce as many as 80 flower heads. Each head has 9–25 yellow ray flowers surrounding 50-200 yellow disc flowers.
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Tetraneuris Argentea
''Tetraneuris argentea'', the perkysue, is a North American species of plants in the sunflower family. It grows in the southwestern United States, primarily in Arizona and New Mexico with additional populations in Utah, Colorado, and the Texas Panhandle. ''Tetraneuris argentea'' is a perennial herb up to tall. It forms a branching underground caudex A caudex (plural: caudices) of a plant is a stem, but the term is also used to mean a rootstock and particularly a basal stem structure from which new growth arises.pages 456 and 695 In the strict sense of the term, meaning a stem, "caudex" is m ... sometimes producing as many as 12 above-ground stems. One plant can produce as many as 30 flower heads. Each head has 8–14 yellow ray flowers surrounding 25-100 yellow disc flowers. References External linksphoto of herbarium specimen at Missouri Botanical Garden, collected in New Mexico in 1847 argentea Flora of the Southwestern United States Plants described in 1849 ...
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Tetraneuris Herbacea
''Tetraneuris herbacea''''T. herbacea''.
ITIS.
''T. herbacea''.
Center for Plant Conservation.
''T. herbacea''.
The Nature Conservancy.
''T. herbacea''.
Flora of North America.
is a rare species of flowering plant in the Asteraceae, aster family known by the common names ...
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Tetraneuris Torreyana
''Tetraneuris torreyana'' is a North American species of plants in the sunflower family, known by the common name Torrey's four-nerve daisy. It grows in the western United States, in extreme southern Montana, Arizona, New Mexico, Utah, Colorado, and Wyoming. ''Tetraneuris torreyana'' is a perennial herb up to tall. It forms a branching underground caudex sometimes producing as many as 40 unbranched, above-ground stems. One plant can produce as many as 40 flower heads. Each head has 7–14 yellow ray flowers surrounding 25-150 yellow disc flowers. References

Tetraneuris, torreyana Flora of the Western United States Endemic flora of the United States Plants described in 1841 Taxa named by Edward Lee Greene Taxa named by Thomas Nuttall Flora without expected TNC conservation status {{medicinal-plant-stub ...
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Helenieae
Helenieae is a tribe of the plant family Asteraceae. The type genus is ''Helenium'', but the best known members of the tribe are the '' Gaillardia''. Helenieae are usually placed in their own tribe, but some authors include this and several other tribes as subtribes within a broader definition of the tribe Heliantheae. Subtribes and genera Helenieae subtribes and genera recognized by the Global Compositae Database: *Subtribe Gaillardiinae **'' Balduina'' **'' Gaillardia'' **''Helenium ''Helenium'' is a genus of annuals and herbaceous perennial plants in the family Asteraceae, native to the Americas. They bear yellow or orange daisy-like composite flowers. A number of these species (particularly ''Helenium autumnale'') have ...'' *Subtribe Marshalliinae **'' Marshallia'' *Subtribe Plateileminae **'' Plateilema'' *Subtribe Psathyrotinae **'' Pelucha'' **'' Psathyrotes'' **'' Trichoptilium'' *Subtribe Tetraneurinae **'' Amblyolepis'' **'' Baileya'' **' ...
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Kansas
Kansas () is a state in the Midwestern United States. Its capital is Topeka, and its largest city is Wichita. Kansas is a landlocked state bordered by Nebraska to the north; Missouri to the east; Oklahoma to the south; and Colorado to the west. Kansas is named after the Kansas River, which in turn was named after the Kansa Native Americans who lived along its banks. The tribe's name (natively ') is often said to mean "people of the (south) wind" although this was probably not the term's original meaning. For thousands of years, what is now Kansas was home to numerous and diverse Native American tribes. Tribes in the eastern part of the state generally lived in villages along the river valleys. Tribes in the western part of the state were semi-nomadic and hunted large herds of bison. The first Euro-American settlement in Kansas occurred in 1827 at Fort Leavenworth. The pace of settlement accelerated in the 1850s, in the midst of political wars over the slavery debate. Wh ...
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Oklahoma
Oklahoma (; Choctaw language, Choctaw: ; chr, ᎣᎧᎳᎰᎹ, ''Okalahoma'' ) is a U.S. state, state in the South Central United States, South Central region of the United States, bordered by Texas on the south and west, Kansas on the north, Missouri on the northeast, Arkansas on the east, New Mexico on the west, and Colorado on the northwest. Partially in the western extreme of the Upland South, it is the List of U.S. states and territories by area, 20th-most extensive and the List of U.S. states and territories by population, 28th-most populous of the 50 United States. Its residents are known as Oklahomans and its capital and largest city is Oklahoma City. The state's name is derived from the Choctaw language, Choctaw words , 'people' and , which translates as 'red'. Oklahoma is also known informally by its List of U.S. state and territory nicknames, nickname, "Sooners, The Sooner State", in reference to the settlers who staked their claims on land before the official op ...
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Texas
Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2020, it is the second-largest U.S. state by both List of U.S. states and territories by area, area (after Alaska) and List of U.S. states and territories by population, population (after California). Texas shares borders with the states of Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the west, and the Mexico, Mexican States of Mexico, states of Chihuahua (state), Chihuahua, Coahuila, Nuevo León, and Tamaulipas to the south and southwest; and has a coastline with the Gulf of Mexico to the southeast. Houston is the List of cities in Texas by population, most populous city in Texas and the List of United States cities by population, fourth-largest in the U.S., while San Antonio is the second most pop ...
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San Luis Potosí
San Luis Potosí (), officially the Free and Sovereign State of San Luis Potosí ( es, Estado Libre y Soberano de San Luis Potosí), is one of the 32 states which compose the Federal Entities of Mexico. It is divided in 58 municipalities and its capital city is San Luis Potosí City. Located in Central Mexico, San Luis Potosí is bordered by seven other Mexican states: Nuevo León to the north; Tamaulipas to the north-east; Veracruz to the east; Hidalgo, Querétaro and Guanajuato to the south; and Zacatecas to north-west. In addition to the capital city, other major cities in the state include Ciudad Valles, Matehuala, Rioverde, and Tamazunchale. History In pre-Columbian times, the territory now occupied by the state of San Luis Potosí contained parts of the cultural areas of Mesoamerica and Aridoamerica. Its northern and western-central areas were inhabited by the Otomi and Chichimeca tribes. These indigenous groups were nomadic hunter-gatherers. Although many indigenou ...
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