| 词条 | Crataegus ser. Tenuifoliae |
| 释义 |
|name = Crataegus ser. Tenuifoliae |image = Crataegus macrosperma BB-1913.png |image_caption = Crataegus macrosperma |taxon = Crataegus ser. Tenuifoliae |authority = (Beadle ex Sarg.) Rehder[1] }}Series Tenuifoliae is a series within the genus Crataegus that contains at least seven species of hawthorn trees and shrubs, native to Eastern North America, with one disjunct species (C. wootoniana) in the mountains of New Mexico.[2] SpeciesThe principal species in the series are:[2]
The following rare local species appear to be hybrid derivatives of series Tenuifoliae:[2]
References{{Commons category|Crataegus series Tenuifoliae}}1. ^Phipps, J.B.; O’Kennon, R.J.; Lance, R.W. 2003. Hawthorns and medlars. Royal Horticultural Society, Cambridge, U.K. {{Taxonbar|from=Q22286644}}{{Rosales-stub}}2. ^1 2 {{citation |author=Phipps, J.B. |year=2015 |title=Flora of North America North of Mexico |chapter=Crataegus Linnaeus (sect. Coccineae) ser Tenuifoliae (Sargent) Rehder, Man. Cult. Trees ed. 2 362. 1940 |publisher=Oxford University Press |location=New York, Oxford |editor1=L. Brouillet |editor2=K. Gandhi |editor3=C.L. Howard |editor4=H. Jeude |editor5=R.W. Kiger |editor6=J.B. Phipps |editor7=A.C. Pryor |editor8=H.H. Schmidt |editor9=J.L. Strother |editor10=J.L. Zarucchi |pages=561–567 |volume=Volume 9: Magnoliophyta: Picramniaceae to Rosaceae |chapter-url=http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=318071}} 3 : Crataegus|Flora of North America|Plant series |
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