Biology:Tetraneuris
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Short description: Genus of flowering plants
| Tetraneuris | |
|---|---|
| |
| Tetraneuris acaulis in cultivation | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Subfamily: | Asteroideae |
| Tribe: | Helenieae |
| Subtribe: | Tetraneurinae |
| Genus: | Tetraneuris E.L.Greene 1898 |
| Type species | |
| Tetraneuris acaulis (DC.) E.L.Greene 1898
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| Synonyms[1] | |
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Tetraneuris, commonly known as four-nerve daisy[2] or bitterweed, is a genus of North American plants in the sneezeweed tribe within the daisy family.[3][4]
The genus includes one annual species, Tetraneuris linearifolia, with all the other species being perennials.
The name is of Greek origin, deriving from tetra, meaning "four", and neuron, meaning "nerve", which refers to the venation of the rays: three-lobed with the outer lobes themselves having an apparent vein down the middle.
- Tetraneuris acaulis – western Canada, western USA, northern Mexico
- Tetraneuris argentea – Arizona, New Mexico
- Tetraneuris herbacea – Ontario, Michigan, Ohio, Illinois
- Tetraneuris ivesiana – Utah, Colorado, New Mexico, Arizona
- Tetraneuris linearifolia - Tamaulipas, Coahuila, Nuevo León, Kansas , Oklahoma, Texas , New Mexico
- Tetraneuris scaposa – Chihuahua, Tamaulipas, Coahuila, Nuevo León, San Luis Potosí, Zacatecas, Nebraska, Kansas , Oklahoma, Texas , Colorado, New Mexico
- Tetraneuris torreyana – Arizona, New Mexico, Utah, Colorado, Wyoming, Montana
- Tetraneuris turneri – Coahuila, Texas
- Tetraneuris verdiensis – Arizona
- formerly included[1]
see Hymenoxys
- Tetraneuris brandegeei - Hymenoxys brandegeei
- Tetraneuris grandiflora - Hymenoxys grandiflora
References
- ↑ 1.0 1.1 1.2 Flann, C (ed) 2009+ Global Compositae Checklist
- ↑ "Tetraneuris". Natural Resources Conservation Service PLANTS Database. USDA. https://plants.usda.gov/core/profile?symbol=TETRA17. Retrieved 9 December 2015.
- ↑ Greene, Edward Lee. 1898. Pittonia 3(18A): 265–270 in English
- ↑ Tropicos, Tetraneuris Greene
- ↑ The Plant List search for Tetraneuris
- ↑ Turner, B. L. 2013. The comps of Mexico. A systematic account of the family Asteraceae (chapter 11: tribe Helenieae). Phytologia Memoirs 16: 1–100
- ↑ Biota of North America Program 2013 county distribution maps
Wikidata ☰ Q5234663 entry
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