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
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Mayhaw at Vascular Plants of North Carolina.
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.
)
Manual of the Trees of North America (Exclusive of Mexico) (Sargent, 1905) mtna_i_466
)
USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_crae_003_lvd
)
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).
)
Sam Pratt sbp_031321_image1
March Spartanburg County SC
in cultivation
)
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).
)
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
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
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
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!
- Gardening with Native Plants of the South (Wasowski & Wasowski, 1994, 2020) p065
- Haws: A Guide to Hawthorns of the Southeastern US (Lance, 2014) p413
- How to Recognize Shrubs (Grimm, 1966) p132
- Landscaping with Native Trees (Sternberg & Wilson, 1995) p101
- Native Shrubs and Woody Vines of the Southeast (Foote & Jones, 1989) p077
- Trees of the Southeastern United States (Duncan & Duncan, 1988) p292
- Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004) p120
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