| 词条 | Centromadia fitchii |
| 释义 |
|name = |image = Hemizonia fitchii.jpeg |image_caption = |regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Asterids |ordo = Asterales |familia = Asteraceae |genus = Centromadia |species = C. fitchii |binomial=Centromadia fitchii |binomial_authority=(A.Gray) Greene |synonyms_ref=[1] |synonyms=Hemizonia fitchii A.Gray |}}Centromadia fitchii, common name Fitch's spikeweed[2] or Fitch's tarweed,[3] is a species of North American plants in the tarweed tribe within the sunflower family. It is native to California and southwestern Oregon.[4][5]Centromadia fitchii is an herb up to 50 cm (20 inches) tall. It produces arrays of numerous yellow flower heads with both ray florets and disc florets.[6][7][8] References1. ^The Plant List, Centromadia fitchii (A.Gray) 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=HEFI|taxon=Hemizonia fitchii|accessdate=5 June 2015}} 4. ^Biota of North America Program 2014 county distribution map 5. ^Calflora taxon report, University of California, Centromadia fitchii (A.Gray) Greene, Spikeweed 6. ^Flora of North America, Spikeweed, Centromadia Greene 7. ^[https://www.biodiversitylibrary.org/page/38425703#page/219/mode/1up Greene, Edward Lee 1894. Manual of the Botany of the Region of San Francisco Bay 197] 8. ^[https://www.biodiversitylibrary.org/page/32405401#page/142/mode/1up Gray, Asa 1857. Reports of explorations and surveys: to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean, made under the direction of the Secretary of War 4: 109] as Hemizonia fitchii External links
9 : Madieae|Flora of California|Flora of the Sierra Nevada (U.S.)|Flora of Oregon|Natural history of the California chaparral and woodlands|Natural history of the California Coast Ranges|Natural history of the Central Valley (California)|Plants described in 1857|Taxa named by Edward Lee Greene |
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