GENUS CODE: CRATA GENUS SCIENTIFIC:Crataegus GENUS AUTHORITY: L. GENUS COMMON: Hawthorn GENUS SUMMARY: [contributed by Ron Lance] GENUS IDENTIFICATION: Identification notes: All references to leaves and petioles pertain to foliage on short shoots (floreal shoots), unless otherwise specified. GENUS REFERENCES: Lance (2014)=X; Phipps in FNA (2014); Phipps (1988)=Z; Beadle in Small (1913)=Q; Phipps, O'Kennon, & Lance (2003)= V ; Phipps (1998)=Y; Phipps, Lance, & Dvorsky (2006)=U; Phipps, O’Kennon, & Dvorsky (2006)= N; Lance (1995); Kalkman in Kubitzki (2004).
FAMILY INDEX
FAMILY CODE: ROSACE FAMILY SCIENTIFIC:Rosaceae FAMILY AUTHORITY: A.L. de Jussieu 1789 FAMILY COMMON: Rose Family FAMILY SUMMARY: A family of about 85-95 genera and 2000-3000 species, trees, shrubs, and herbs, nearly cosmopolitan, but mainly boreal and temperate. FAMILY REFERENCE: Phipps in FNA (2014); Potter et al. (2007); Eriksson et al. (2003); Kalkman in Kubitzki (2004); Ertter (2007).
This information is derived from the U.S. Army Corps of Engineers 2016 National Wetland Plant List, Version 3.3 (Lichvar, R.W., D.L. Banks, W.N. Kirchner, and N.C. Melvin. 2016. The National Wetland Plant List: 2016 wetland ratings. Phytoneuron 2016-30: 1-17. Published 28 April 2016. ISSN 2153 733X). Regions: AGCP-Atlantic and Gulf Coastal Plain, AK-Alaska, AW-Arid West, CB-Caribbean, EMP-Eastern Mountains and Piedmont, GP-Great Plains, HI-Hawaii, MW-Midwest, NCNE-Northcentral and Northeast, WMCV-Western Mountains, Valleys & Coast
WEAKLEY FLORA
SCIENTIFIC NAME: Crataegus viridis
COMMON NAME: Green Hawthorn
SYNONYMY: [= C, RAB, S, W; > C. viridis var. lanceolata (Sargent) E.J. Palmer - F, FNA, G, X; > C. viridis var. ovata (Sargent) E.J. Palmer - F, FNA, G, X; > C. viridis var. velutina (Sargent) J.B. Phipps - FNA, X; > C. viridis var. viridis - F, FNA, G, K, X; > C. viridis - Q; > C. interior Beadle - Q; > C. vulsa Beadle - K, Q; > C. penita Beadle - K, Q]
PHENOLOGY: Late Mar-late Apr; Sep-Nov.
HABITAT: Swamps, bottomland forests, alluvial woodlands, streamsides, wet flatwoods, and uplands where soils are often basic to calcareous.
COMMENTS: MD to n. FL, w. MO, c. TX; absent or rare on Appalachian Plateau. One of our largest hawthorn species, frequently reaching treelike proportions (5-10 m tall, trunk 10-40 cm diameter). The orange-red fruits often persist on the bare branches into winter, sometimes until the following spring. Bark of the trunk is usually mottled with patterns of gray, reddish-brown, and greenish-gray coloration, due to the dehiscing layers of scales and plates.
RANGE MAP:
Key to Map SymbolsABOUT FAMILY (Weakley Flora) Rosaceae A.L. de Jussieu 1789 (Rose Family) SUMMARY: A family of about 85-95 genera and 2000-3000 species, trees, shrubs, and herbs, nearly cosmopolitan, but mainly boreal and temperate. REFERENCE: Phipps in FNA (2014); Potter et al. (2007); Eriksson et al. (2003); Kalkman in Kubitzki (2004); Ertter (2007).ABOUT GENUS (Weakley Flora) Crataegus L. (Hawthorn) SUMMARY: [contributed by Ron Lance] REFERENCE: Lance (2014)=X; Phipps in FNA (2014); Phipps (1988)=Z; Beadle in Small (1913)=Q; Phipps, O'Kennon, & Lance (2003)= V ; Phipps (1998)=Y; Phipps, Lance, & Dvorsky (2006)=U; Phipps, O’Kennon, & Dvorsky (2006)= N; Lance (1995); Kalkman in Kubitzki (2004).
HERBARIUM RESOURCES
SERNEC: Find Crataegus viridis in Southeast Regional Network of Experts and Collections (if available) UNC SERNEC: Find Crataegus viridis in
University of North Carolina Chapel Hill Herbarium - Southeast Regional Network of Experts and Collections (if available)