OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Rosales
Series: Aestivales    

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (10/20/20):
Crataegus aestivalis   FAMILY Rosaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Crataegus aestivalis   FAMILY Rosaceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 9 (2014)

Crataegus aestivalis

SYNONYMOUS WITH Haws: A Guide to Hawthorns of the Southeastern US (Lance, 2014)

Crataegus aestivalis

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 097-20-010:

Crataegus aestivalis   FAMILY Rosaceae

INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)

Crataegus aestivalis

 

COMMON NAME:
Mayhaw, Eastern Mayhaw, May Hawthorn


         To see larger pictures, click or hover over the thumbnails.

image of Crataegus aestivalis, Mayhaw, Eastern Mayhaw, May Hawthorn

Manual of the Trees of North America (Exclusive of Mexico) (Sargent, 1905)    mtna_i_466

        

image of Crataegus aestivalis, Mayhaw, Eastern Mayhaw, May Hawthorn

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_crae_003_lvd

        

image of Crataegus aestivalis, Mayhaw, Eastern Mayhaw, May Hawthorn

Sam Pratt    sbp_031321_image0

March    Spartanburg County    SC

in cultivation

Flowers 15-20mm wide, stamens 15-20; sepals entire or minutely glandular serrate, per Haws: A Guide to Hawthorns of the Southeastern US (Lance, 2014).

image of Crataegus aestivalis, Mayhaw, Eastern Mayhaw, May Hawthorn

Sam Pratt    sbp_031321_image1

March    Spartanburg County    SC

in cultivation

image of Crataegus aestivalis, Mayhaw, Eastern Mayhaw, May Hawthorn

Sam Pratt    sbp_031321_image2

March    Spartanburg County    SC

in cultivation

Flowers appear in early Spring as leaves emerge, per Haws: A Guide to Hawthorns of the Southeastern US (Lance, 2014).

image of Crataegus aestivalis, Mayhaw, Eastern Mayhaw, May Hawthorn

Ron Lance    rwlc_aestivalis

June-July        

In cultivation

Lvs obovate, glossy, glabrate at maturity except tufts in vein axils below, per Haws: A Guide to Hawthorns of the Southeastern US (Lance, 2014).

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (10/20/20):
Crataegus aestivalis   FAMILY Rosaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Crataegus aestivalis   FAMILY Rosaceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 9
Crataegus aestivalis

SYNONYMOUS WITH Haws: A Guide to Hawthorns of the Southeastern US (Lance, 2014)
Crataegus aestivalis

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 097-20-010:
Crataegus aestivalis   FAMILY Rosaceae

INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)
Crataegus aestivalis

 

Find by SCIENTIFIC NAME:

393

Tree
Perennial

Habitat: swamp forests, generally where flooded for much of the year, often flowering and fruiting while standing in water, often associated with Taxodium distichum, Nyssa aquatica, Nyssa biflora, and Planera aquatica, uncommon but sometimes locally abundant; occasionally growing as groves or stands in ‘mayhaw flats’, per Weakley's Flora

Native to the Carolinas & Georgia

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)

IS THE PLANT "ARMED"?
Armed with short moderately stout nodal thorns (< 4cm long, 1.5-3mm in diameter)

LEAVES:
Deciduous
Simple
Alternate
Petioles short, 3-10mm, eglandular

FLOWER:
Spring
White
Radially symmetrical
5-lobed calyx
5 petals
15-20 stamens (anthers yellow, pink or reddish)
Inferior ovary
Bisexual

Inflorescences of 1-5 flowers

FRUIT:
Spring
Shiny red
Pome

 

TO LEARN MORE about this plant, look it up in a good book!



 


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