Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.
Search native plant database:
Crataegus opaca Hook. & Arn.
Mayhaw, Riverflat hawthorn, Western mayhaw
Synonym(s): Crataegus nudiflora
USDA Symbol: CROP
USDA Native Status: L48 (N)
Small tree with relatively tall trunk and narrow, rounded crown; or a large shrub. River-flat hawthorn or may haw is a small tree or shrub, to 30 ft., with spiny branches and oval to oblong, dark-green leaves. Clusters of showy pink or white flowers appear before and with the leaves. Large, green to reddish fruit ripens from May to June.
The large, edible fruit is made into preserves and jellies.
Plant CharacteristicsDuration: Perennial Habit: Tree Flower:
Fruit: Size Class:
Bloom InformationBloom Color: White
Bloom Time: Feb , Mar
, TX Native Distribution: AL
to e. TX,
n. to s. AR Native Habitat:
Low, wet woods; creek and river bottoms
Growing ConditionsLight Requirement:
Part Shade Soil Moisture:
Wet Soil Description:
Wet, rich soils. Conditions Comments:
Used as an ornamental or hedge in poorly drained, shady places. Fruit
makes a delicious preserve.
PropagationDescription: Stratified seed will germinate.
Seed Collection: Fruits may be hand-picked or shaken from the plant. Clean seeds from the pulp to avoid mold and fermentation. Air-dry before storing. Store in sealed, refrigerated containers.
Seed Treatment: 6-8 weeks of moist chilling improves germination.
National Wetland Indicator Status
|Status:|| OBL || OBL |
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
- Picayune, MS
Record Last Modified: 2013-09-07
Research By: TWC Staff