Crataegus berberifolia explained

Crataegus berberifolia, the barberry hawthorn, is a species of hawthorn from the southeastern United States. There are two varieties: C. berberifolia var. berberifolia has 20 stamens with cream-coloured anthers, and C. berberifolia var. engelmanii has 10 stamens with purplish pink anthers.[1]

Notes and References

  1. Phipps . J.B. . 2006 . Crataegus spes-aestatum, a new species in series Punctatae (Rosaceae), and six new varietal names from the Missouri Crataegus Flora . Novon . 16 . 3 . 381–7 . 10.3417/1055-3177(2006)16[381:CSANSI]2.0.CO;2 . 85918049 .

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