“Crataegus pruinosa”的意思、由来-开放百科全书

词条

Crataegus pruinosa

释义

Varieties
References
External links

{{Speciesbox
| image = Frosted Thorn (2981720487).jpg
| genus = Crataegus
| display_parents = 2
| parent = Crataegus ser. Pruinosae
| species = pruinosa
| authority = (H.L.Wendl.) K.Koch
}}

Crataegus pruinosa is a species of hawthorn known by the common name frosted hawthorn. It is native to a wide area of the eastern United States and southern Canada, and is sometimes considered to be several species, rather than just one.

Varieties

The following varieties are recognized in the Flora of North America (2015):^[1]

C. pruinosa var. pruinosa, synonyms:
- C. bracteata Sarg.
- C. tumida Sarg.
C. pruinosa var. dissona (Sarg.) Eggl., synonyms:
- C. dissona Sarg.
- C. brachypoda Sarg.
- C. disjuncta Sarg.
- C. rigida Sarg.
C. pruinosa var. parvula (Sarg.) J.B.Phipps, synonyms:
- C. parvula Sarg.
C. pruinosa var. rugosa (Ashe) Kruschke, synonyms:
- C. rugosa Ashe
- C. leiophylla Sarg.
- C. mackenziei Sarg. ex Mackenzie
- C. rubicundula Sarg.
- C. seclusa Sarg.
- C. seducta Sarg.
C. pruinosa var. virella (Ashe) Kruschke, synonyms:
- C. virella Ashe
C. pruinosa var. magnifolia (Sarg.) J.B.Phipps, synonyms:
- C. magnifolia Sarg.

References

1. ^{{citation |author=Phipps, J.B. |year=2015 |series=Flora of North America North of Mexico |chapter=Crataegus pruinosa (H. L. Wendland) K.Koch Hort. Dendrol. 168 1853|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=574–577 |volume=9 |title=Magnoliophyta: Picramniaceae to Rosaceae |chapter-url=http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242416351}}

External links

{{cite book |last=Phipps |first=J.B. |last2=O'Kennon |first2=R.J. |last3=Lance |first3=R.W. |year=2003 |title=Hawthorns and medlars |publisher=Royal Horticultural Society |location=Cambridge, U.K. |isbn=0881925918}}

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