Biology:Centromadia pungens
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Short description: Species of flowering plant
| Centromadia pungens | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Centromadia |
| Species: | C. pungens
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| Binomial name | |
| Centromadia pungens (Hook. & Arn.) Greene
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| Synonyms[1] | |
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Centromadia pungens, the common spikeweed[2] or common tarweed,[3] is a species of North American plants in the tribe Madieae within the family Asteraceae. It is native to northern Baja California and the western United States (California , Oregon, Washington (state) , Idaho, Nevada, Arizona). The plant is considered a noxious weed in parts of the Pacific Northwest.[4][5]
Centromadia pungens is an herb up to 120 cm (47 in) tall. It produces arrays of numerous yellow flower heads with both ray florets and disc florets.[6][7][8]
- Subspecies[1]
- Centromadia pungens subsp. laevis (D.D.Keck) B.G.Baldwin - Baja California, southern California
- Centromadia pungens subsp. pungens - most of species range
References
- ↑ 1.0 1.1 The Plant List Centromadia pungens (Hook. & Arn.) Greene
- ↑ (xls) BSBI List 2007, Botanical Society of Britain and Ireland, https://bsbi.org/download/3542/, retrieved 2014-10-17
- ↑ "Centromadia pungens". Natural Resources Conservation Service PLANTS Database. USDA. https://plants.usda.gov/core/profile?symbol=CEPU14. Retrieved 5 June 2015.
- ↑ Biota of North America Program 2014 county distribution map
- ↑ Calflora taxon report, University of California, Centromadia pungens (Hook. & Arn.) Greene, common tarweed
- ↑ Flora of North America, Spikeweed, Centromadia Greene
- ↑ Greene, Edward Lee 1894. Manual of the Botany of the Region of San Francisco Bay 196
- ↑ Torrey, John & Gray, Asa 1843. Flora of North America 2(3): 399
External links
- Calflora Database: Centromadia pungens (Common spikeweed, Common tarweed)
- Jepson eFlora (TJM2): Centromadia pungens
- USDA Plants Profile for Centromadia pungens (common tarweed)
Wikidata ☰ Q15574070 entry
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