Flora of the Southeastern United States
2022 Edition

Colors

Data mode

Account

Login
Sign up

ROSACEAE

Crataegus Linnaeus. Hawthorn, Haw, Thornapple.

Contributed by Ron Lance

Key to Crataegus

A genus of 100-500 species, shrubs and small trees, north temperate and Central America, most in e. North America.

ID notes: All references to leaves and petioles pertain to foliage on short shoots (floreal shoots, or spur shoots), unless otherwise specified. The term "terminal shoots" refers to elongating vegetative twigs, typically at the terminus of branches.

Ref: Ashe (1900a); Ashe (1900b); Ashe (1900c); Ashe (1901); Ashe (1903a); Ashe (1903b); Ashe (1916); Beadle (1913) In Small (1913a); Chapman (1892); Chen et al. (2020); Deam (1940); Eggleston (1913) In Britton & Brown (1913); Eriksson et al. (2003); Eugenia, Stefanovič, & Dickinson (2007); Harper (1928); Kalkman In Kubitzki et al. (2004); Kalkman In Kubitzki et al. (2004); Kruschke (1955); Kruschke (1965); Lance (1995); Lance (2011); Lance (2013); Lance (2014); Lance & Phipps (2000); Palmer (1924); Palmer (1925); Palmer (1926); Palmer (1935); Palmer (1956); Palmer (1960) In Vines (1960); Palmer (1969) In Braun (1969); Phipps (1988a); Phipps (1988b); Phipps (1990); Phipps (1998); Phipps (2006); Phipps (2007); Phipps (2012); Phipps (2014d) In Flora of North America Editorial Committee (2014); Phipps (2014d) In Flora of North America Editorial Committee (2014); Phipps (2014e) In Flora of North America Editorial Committee (2014); Phipps (2016); Phipps & Dvorsky (2006); Phipps & Dvorsky (2007); Phipps & Dvorsky (2008); Phipps & O'Kennon (1997); Phipps, Lance, & Dvorsky (2006); Phipps, O'Kennon, & Dvorsky (2006); Phipps, O’Kennon, & Lance (2003); Phipps, Yatskievych, & Wood (2007); Poindexter & Lance (2011); Potter et al. (2007); Sargent (1903); Sargent (1908b); Sargent (1911a); Sargent (1913); Sargent (1920); Sargent (1921a); Sargent (1921b); Sargent (1922a); Tucker (1976). Show full citations.

Show in key(s)

Show parent

Show children

Your browser does not support SVGs

Hover over a shape, letter, icon, or arrow on the map to see what it means. Data for arrows not developed for genera and families which may have species only occurring outside the flora area.

image of plant© Edwin Bridges [image randomly selected]