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Crataegus flabellata : ウィキペディア英語版 | Crataegus flabellata
''Crataegus flabellata'' is a species of hawthorn known by the common name fanleaf hawthorn. It is native to the northeastern U.S. and adjacent Canada. It is intermediate in appearance between ''C. macrosperma'' and ''C. chrysocarpa''.〔Phipps, J.B., O’Kennon, R.J., Lance, R.W. (2003). ''Hawthorns and medlars''. Royal Horticultural Society, Cambridge, U.K.〕 ''C. macrosperma'', which occurs throughout the range of ''C. flabellata'' and also in the southeastern U.S., is often misidentified as ''C. flabellata''.〔 ==Varieties== ''Crataegus crudelis'' Sarg. is a form of ''C. flabellata'' from Quebec that has very long thorns (up to 10 cm).〔 The two varieties ''C. flabellata'' var. ''grayana'' (Eggl.) E.J. Palmer and ''C. flabellata'', var. ''flabellata'' differ in that the first has 20 stamens per flower, and the latter has 10 stamens, but in other features the two varieties are variable and the features overlap.〔
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 flabellata」の詳細全文を読む
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