Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Rosales
Series: Crataegus
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (10/20/20):
Crataegus monogyna
FAMILY
Rosaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Crataegus monogyna
FAMILY
Rosaceae
INCLUDING Flora of North America north of Mexico, vol. 9 (2014)
Crataegus monogyna var. monogyna
SYNONYMOUS WITH Haws: A Guide to Hawthorns of the Southeastern US (Lance, 2014)
Crataegus monogyna
COMMON NAME:
English Hawthorn, Singleseed Hawthorn, One-seeded Hawthorn
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_crmo3_001_lvd
)
Joseph M. DiTomaso, University of California - Davis, Bugwood.org bug_5386431
April-May?
Flowers 10-15mm wide, flowering in April or May after leaves are half-grown, per Haws: A Guide to Hawthorns of the Southeastern US (Lance, 2014).
)
Ron Lance rwl_a3_crataegus_monogyna
April-May?
Leaf lobes with few teeth; fruit 1-seeded; thorns usually 1-2cm. — Ron Lance
)
Joseph M. DiTomaso, University of California - Davis, Bugwood.org bug_5386432
September-October?
Leaves ovate to deltate, often deeply lobed. Fruit red, 6-14mm wide, per Haws: A Guide to Hawthorns of the Southeastern US (Lance, 2014).
)
Tom DeGomez, University of Arizona, Bugwood.org bug_5389900
Month Unknown
Bark scaly, grayish, becoming furrowed on old trunks, per Haws: A Guide to Hawthorns of the Southeastern US (Lance, 2014).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (10/20/20):
Crataegus monogyna
FAMILY
Rosaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Crataegus monogyna
FAMILY
Rosaceae
INCLUDING
Flora of North America north of Mexico, vol. 9
Crataegus monogyna var. monogyna
SYNONYMOUS WITH
Haws: A Guide to Hawthorns of the Southeastern US (Lance, 2014)
Crataegus monogyna
2497
Shrub; Tree
Perennial
Habitat: Mesic soil, per Weakley's Flora
Non-native: Europe
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
This plant may be causing problems in natural areas outside its native range, according to authorities such as:
IS THE PLANT "ARMED"?
Armed with nodal thorns usually 1-2cm long
LEAVES:
Deciduous
Simple
Alternate
Petioles 1/4-3/4 length of blade, eglandular
FLOWER:
Spring
White
Radially symmetrical
5-lobed calyx
5 petals
15-20 stamens (anthers pink or purplish)
Inferior ovary
Bisexual
Inflorescences of 3-20 flowers
FRUIT:
Summer/Fall
Red (flesh soft)
Pome
TO LEARN MORE about this plant, look it up in a good book!
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".