''Crataegus calpodendron'' is a species of

hawthorn Hawthorn or Hawthorns may refer to: Plants * '' Crataegus'' (hawthorn), a large genus of shrubs and trees in the family Rosaceae * ''Rhaphiolepis'' (hawthorn), a genus of about 15 species of evergreen shrubs and small trees in the family Rosace ...

native to much of the eastern

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

and to

Ontario Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has historically and politically been considered to be part of Central Canada. Located in Central C ...

, Canada. The common name late hawthorn refers to the flowering time, which is later than most North American hawthorns.

References

External links

'' Pear Hawthorn, Crataegus calpodendron (Ehrh.)Medikus, Floyd County, Northwest Georgia, Southeastern United States''
calpodendron Flora of North America {{Crataegus-stub