oneseed hawthorn Rosaceae Crataegus monogyna Jacq. Listen to the Latin symbol: CRMO3 Other Fact Sheets
Leaf: Alternate, simple, 1 to 2 inches long, obovate, serrate and deeply lobed, subtending long thorns, dark green above and paler below.
Flower: Perfect, small white flowers 1/4 to 1/2 inch, with 5 petals produced in clusters near the end of the twig, appearing in mid to late spring.
Fruit: Small dark red pomes, 1/4 to 1/2 inch in diameter; maturing in the early fall.
Twig: Slender, gray; buds dark, shiny red and round; bearing obvious, stiff, 1 inch long thorns; leaf scars contain 3 bundle scars.
Bark: Smooth and red-brown when young, later turning gray and scaly.
Form: Erect, spreading deciduous shrub or small tree 15-40’ tall.
Looks like: oceanspray - Oregon crabapple
leaf flower fruit twig bark form map
Additional Range Information:
Crataegus monogyna is planted in the USDA hardiness zones shown above and may seed into the landscape. See states reporting oneseed hawthorn. 		External Links:
USDA Plants Database 		Copyright 2011
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