counter
The Trees of Carl Schurz High School
Corkspur Hawthorn - Crataegus crus-galli L.


Description of Plan

Leaf: The leaves can be spoon-shaped or narrowly elliptical and short pointed or rounded at the tip. The leaves are widest at beyond the middle and taper to a narrow base. They are sharply saw-toothed beyond the middle with gland tipped teeth.

Flower: 12-15 mm wide, with 5 white petals in 2-3 styles in large clusters with pink or pale yellow stamens.

Fruit: 10-12 mm in diameter, rounded and greenish or dull red. There may be several in drooping clusters with a hard pulp and 2-3 nutlets.

Twig: Stout with many very long slender brown spines.

Bark: Dark gray or brown and scaly.

Form: Small, spiny, tree with a stout trunk and a broad dense crown of spreading branches.

Description of the Plant

This tree has been planted as an ornamental and hedge tree since the beginning of time. Its nickname is "Hog-Apple"

Copyright

© Sue Grabowski, Gail Slowinski, Carl Schurz High School 2003

References

Coombes, Allen, J, Smithsonian Handbook of Trees, Dorling Kindersley, London, 2002.

Little, Elbert, L., Field Guide to Trees, Alfred A. Knopf, New York. 1980.

Symonds, George, W.D., The Tree Identification Book, Quill Publishing, New York, N.Y. 1958.

Trees of Schurz Home

Map of Trees

Internet Resources


Black Locust
Robinia pseudoacacia


Black Maple
Acer nigrum


Honey Locust
Gleditsia triacanthos


Eastern Red Cedar - Red Juniper
Juniperus virginiana


Osage Orange
Maclura pomifera


Sugar Maple
Acer saccharum


Japanese maple
Acer plamatum


Frosted Hawthorn
Crataegus pruinosa


Bur Oak
Quercus macrocarpa


Downy Hawthorn
Crataegus mollis


Corkspur Hawthorn
Crataegus crus-galli L.


Amur maple
Acer ginnala


American Basswood
Tilia americana L


Silver Maple
Acer saccharinum


Ginkgo
Ginkgo biloba L.


Paper Birch
Betula papyrifera


Sassafras
Sassafras albidum nees


Sweet Crab Apple
Malus coronaria


Post Oak
Quercus stellata


Catalpa
Catalpa speciosa


American Arborvitae
Thuja occidentalis


Red Birch
Betula nigra


White Ash
Fraxinus americana
  3601 North Milwaukee Avenue, Chicago, IL 60641
Tel: (773) 534-3420 | TTY: (866) 769-3074 | Fax: (773) 534-3573
Copyright © Schurz High School