Crataegus collina
Encyclopedia
Crataegus collina is a type of hawthorn
that is closely related to C. punctata
, the dotted hawthorn, and sometimes considered to be the same species. A sample of C. collina and C. punctata has suggested that C. collina is polyploid, and C. punctata is diploid, but a wider sample is needed to confirm that this is generally the case.
Crataegus
Crataegus , commonly called hawthorn or thornapple, is a large genus of shrubs and trees in the rose family, Rosaceae, native to temperate regions of the Northern Hemisphere in Europe, Asia and North America. The name hawthorn was originally applied to the species native to northern Europe,...
that is closely related to C. punctata
Crataegus punctata
Crataegus punctata is a species of hawthorn known by the common names dotted hawthorn or white haw that is native to most of the eastern U.S. and eastern Canada. It is the state flower of Missouri....
, the dotted hawthorn, and sometimes considered to be the same species. A sample of C. collina and C. punctata has suggested that C. collina is polyploid, and C. punctata is diploid, but a wider sample is needed to confirm that this is generally the case.