|
''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): * ''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. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Crataegus pruinosa」の詳細全文を読む スポンサード リンク
|