Native & Naturalized Plants of the Carolinas & Georgia


405

Shrub
Perennial

Native to the Carolinas & Georgia

Documented growing wild in GA NC SC

Common (uncommon in Mountains)

Look for it in upland forests, disturbed lands, roadsides, rock outcrops, often in xeric or subxeric conditions, per Weakley's Flora

map
To see a detailed map, click here

 

IS THE PLANT "ARMED"?
Armed with very slender nodal thorns (> 3cm long, about 1mm in diameter)

LEAVES:
Deciduous
Simple
Alternate
Petioles 2-5mm, usually pubescent, sometimes black-glandular, esp in spring

FLOWER:
Spring
White
Radially symmetrical
5-lobed calyx
5 petals
Usually 20 stamens (anthers white, yellow or rarely pink)
Inferior ovary
Inflorescences of 1-6 flowers, usually 1

FRUIT:
Summer/Fall
Green, yellow or red
Pome

 

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



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

WEAKLEY'S FLORA (5/21/15):
Crataegus uniflora   FAMILY Rosaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Crataegus uniflora   FAMILY Rosaceae

SYNONYMOUS WITH Flora of North America
Crataegus uniflora

(?) SYNONYMOUS WITH Haws: A Guide to Hawthorns of the Southeastern US (Lance, 2014)
Crataegus uniflora var. uniflora

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 097-20-001:
Crataegus uniflora   FAMILY Rosaceae

 

COMMON NAME:
Oneflower Hawthorn, Dwarf Haw


Click or hover over the thumbnails to see larger pictures.

image of Crataegus uniflora, Oneflower Hawthorn, Dwarf Haw

JK Marlow    jkm200425_4270

April    Greenville County    SC

Glassy Mountain Heritage Preserve

The name "one-flowered" is not to be taken literally (up to 6 per inf.), per Haws: A Guide to Hawthorns of the Southeastern US.

image of Crataegus uniflora, Oneflower Hawthorn, Dwarf Haw

JK Marlow    jkm200425_4273

April    Greenville County    SC

Glassy Mountain Heritage Preserve

Its needlelike spines are more apt to be felt than seen, per Haws: A Guide to Hawthorns of the Southeastern US.

image of Crataegus uniflora, Oneflower Hawthorn, Dwarf Haw

JK Marlow    jkm200425_4275

April    Greenville County    SC

Glassy Mountain Heritage Preserve

Leaves typically short-petiolate, prominently toothed, usually glossy, per Haws: A Guide to Hawthorns of the Southeastern US.

image of Crataegus uniflora, Oneflower Hawthorn, Dwarf Haw

JK Marlow    jkm200425_4276

April    Greenville County    SC

Glassy Mountain Heritage Preserve

Shrubby habit, small leaves and slender thorns, per Haws: A Guide to Hawthorns of the Southeastern US.

image of Crataegus uniflora, Oneflower Hawthorn, Dwarf Haw

JK Marlow    jkm200425_4278

April    Greenville County    SC

Glassy Mountain Heritage Preserve

image of Crataegus uniflora, Oneflower Hawthorn, Dwarf Haw

Roxanna Martin    rlm42810_021

April    Spartanburg County    SC

image of Crataegus uniflora, Oneflower Hawthorn, Dwarf Haw

Ron Lance    rwlcuniflora_1

April-May        SC

image of Crataegus uniflora, Oneflower Hawthorn, Dwarf Haw

JK Marlow    jkm200508_4685

May    Pickens County    SC

Glassy Mountain Heritage Preserve

Sepals foliaceous and distinctly serrate, per Haws: A Guide to Hawthorns of the Southeastern US.

image of Crataegus uniflora, Oneflower Hawthorn, Dwarf Haw

Roxanna Martin    rlm5110_049

May    Spartanburg County    SC

image of Crataegus uniflora, Oneflower Hawthorn, Dwarf Haw

Roxanna Martin    rlm53010_464

May    Spartanburg County    SC

image of Crataegus uniflora, Oneflower Hawthorn, Dwarf Haw

Roxanna Martin    rlm71010_93

July    Spartanburg County    SC

image of Crataegus uniflora, Oneflower Hawthorn, Dwarf Haw

Roxanna Martin    rlm91209_302

September    Spartanburg County    SC

image of Crataegus uniflora, Oneflower Hawthorn, Dwarf Haw

JK Marlow    jkm181101_5464

November    Greenville County    SC

image of Crataegus uniflora, Oneflower Hawthorn, Dwarf Haw

JK Marlow    jkm181101_5468

November    Greenville County    SC