| 词条 | Symphyotrichum pilosum |
| 释义 |
|image=Symphyotrichum_pilosum_pringlei_Tennessee.jpg |image_caption=S. pilosum var. pringlei |display_parents=2 |genus=Symphyotrichum |species=pilosum |authority=(Willd.) G.L.Nesom |synonyms=Aster pilosus Willd. |synonyms_ref= }} Symphyotrichum pilosum, commonly called the hairy white oldfield aster[1] or frost aster,[2] is an herbaceous plant in the aster family. It is native to eastern North America, where it is found in Canada and the United States.[3] It is widespread and common throughout its range. Its natural habitat includes communities such as prairies, open woodlands, and outcrops. In general, it responds positively to disturbance, and is often seen occupying sunny, weedy habitats.[4][5] Two varieties are recognized, although determining the best taxonomy for this group is difficult due to polyploidy and hybridization.[6] The two currently recognized varieties are:[7]
‘Ochtendgloren’, a cultivar of S. pilosum var. pringlei, has gained the Royal Horticultural Society’s Award of Garden Merit.[8][9] References1. ^{{PLANTS|id=SYPI2|taxon=Symphyotrichum pilosum|accessdate=7 December 2015}} 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. ^{{BONAP|ref|genus=Symphyotrichum|species=pilosum|accessdate=26 January 2017}} 4. ^1 [https://uwaterloo.ca/astereae-lab/research/asters/symphyotrichum/symphyotrichum-pilosum John Semple, University of Waterloo Asteraceae Lab] 5. ^{{cite journal |last=Semple |first=John |last2=Chmielewski |first2=Jerry |date=2001 |title= The biology of Canadian weeds. 114. Symphyotrichum pilosum (Willd.) Nesom (Aster pilosus Willd.)|url=http://www.nrcresearchpress.com/doi/pdf/10.4141/P00-074l |journal= Canadian Journal of Plant Science |volume=81 |pages=851–865 |access-date=26 January 2017}} 6. ^{{Tropicos|23|50264950|Symphyotrichum pilosum}} 7. ^{{eFloras|1|250067670|Symphyotrichum pilosum |tribe=Astereae |last1=Brouillet |first1=Luc |last2=Semple |first2=John C. |last3=Allen |first3=Geraldine A. |last4=Chambers |first4=Kenton L. |last5=Sundberg |first5=Scott D.|accessdate=2018-11-05}} 8. ^{{cite web |url=https://www.rhs.org.uk/Plants/340829/i-Symphyotrichum-i-Ochtendgloren-(-i-pilosum-i-var-i-pringlei-i-hybrid)/Details |title=RHS Plantfinder - Symphyotrichum ‘Ochtendgloren’ (pilosum var. pringlei hybrid)|accessdate=30 November 2018}} 9. ^{{cite web |url=https://www.rhs.org.uk/plants/pdfs/agm-lists/agm-ornamentals.pdf |title=AGM Plants - Ornamental |date=July 2017 |page=95 |publisher=Royal Horticultural Society |accessdate=30 November 2018}} External links
3 : Symphyotrichum|Flora of the Eastern United States|Flora of Canada |
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