| 词条 | Centromadia pungens |
| 释义 |
|name = |image = Centromadia pungens ssp. pungens BLM-2.jpg |image_caption = |regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Asterids |ordo = Asterales |familia = Asteraceae |genus = Centromadia |species = C. pungens |binomial=Centromadia pungens |binomial_authority=(Hook. & Arn.) Greene |synonyms_ref=[1] |synonyms=*Centromadia maritima Greene
|}}Centromadia pungens, the common spikeweed[2] or common tarweed,[3] is a species of North American plants in the tarweed tribe within the sunflower family. It is native to northern Baja California and the western United States (California, Oregon, Washington, 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 (48 inches) tall. It produces arrays of numerous yellow flower heads with both ray florets and disc florets.[6][7][8]
References1. ^1 The Plant List Centromadia pungens (Hook. & Arn.) Greene 2. ^{{cite web|title=BSBI List 2007 |publisher=Botanical Society of Britain and Ireland |url=http://www.bsbi.org.uk/BSBIList2007.xls |format=xls |archive-url=https://www.webcitation.org/6VqJ46atN?url=http://www.bsbi.org.uk/BSBIList2007.xls |archive-date=2015-01-25 |accessdate=2014-10-17 |deadurl=yes |df= }} 3. ^{{PLANTS|id=CEPU14|taxon=Centromadia pungens|accessdate=5 June 2015}} 4. ^Biota of North America Program 2014 county distribution map 5. ^Calflora taxon report, University of California, Centromadia pungens (Hook. & Arn.) Greene, common tarweed 6. ^Flora of North America, Spikeweed, Centromadia Greene 7. ^[https://www.biodiversitylibrary.org/page/38425703#page/218/mode/1up Greene, Edward Lee 1894. Manual of the Botany of the Region of San Francisco Bay 196] 8. ^[https://www.biodiversitylibrary.org/page/10009687#page/399/mode/1up Torrey, John & Gray, Asa 1843. Flora of North America 2(3): 399] External links
8 : Madieae|Flora of the Northwestern United States|Flora of the Southwestern United States|Flora of Baja California|Flora of California|Plants described in 1839|Taxa named by William Jackson Hooker|Taxa named by Edward Lee Greene |
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