OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Sapindales

WEAKLEY'S FLORA (11/30/12):
Zanthoxylum americanum   FAMILY Rutaceae   NEW! Click to go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Zanthoxylum americanum   FAMILY Rutaceae

SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 103-01-001:
Zanthoxylum americana   FAMILY Rutaceae

SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) Gray's Manual of Botany (Fernald, 1950)
Xanthoxylum americanum

 

COMMON NAME:
Prickly-ash, Toothache Tree, Northern Prickly-ash


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

image of Zanthoxylum americanum, Prickly-ash, Toothache Tree, Northern Prickly-ash

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_zaam_001_lvd

        

image of Zanthoxylum americanum, Prickly-ash, Toothache Tree, Northern Prickly-ash

USDA-NRCS PLANTS Database / US Forest Service    pnd_zaam_002_lvd

        

image of Zanthoxylum americanum, Prickly-ash, Toothache Tree, Northern Prickly-ash

JK Marlow    jkm210407_9307

April    Spartanburg County    SC

in cultivation

image of Zanthoxylum americanum, Prickly-ash, Toothache Tree, Northern Prickly-ash

JK Marlow    jkm210407_9308

April    Spartanburg County    SC

in cultivation

Flowers in round clusters, ~ 1" across, in leaf axils of 1-year-old branches, per www.minnesotawildflowers.info.

image of Zanthoxylum americanum, Prickly-ash, Toothache Tree, Northern Prickly-ash

Sam Pratt    sbp_040122_1348

April    Spartanburg County    SC

In cultivation

image of Zanthoxylum americanum, Prickly-ash, Toothache Tree, Northern Prickly-ash

Sam Pratt    sbp_040122_1356

April    Spartanburg County    SC

in cultivation

image of Zanthoxylum americanum, Prickly-ash, Toothache Tree, Northern Prickly-ash

Sam Pratt    sbp_zanthoxylum1739

May    Spartanburg County    SC

In cultivation

image of Zanthoxylum americanum, Prickly-ash, Toothache Tree, Northern Prickly-ash

David Campbell    mdc_z_americanum_fruits

July        Ontario, Canada

Fruits are bumpy pods (follicles) about 5-8mm long, reddish [when mature], per Woody Plants of the Southeastern US: A Winter Guide.

image of Zanthoxylum americanum, Prickly-ash, Toothache Tree, Northern Prickly-ash

David Campbell    mdc_z_americanum_leaves

July        Ontario, Canada

Leaflets elliptical, finely and shallowly toothed, both surfaces pubescent, per Native Trees of the Southeast, An Identification Guide.

image of Zanthoxylum americanum, Prickly-ash, Toothache Tree, Northern Prickly-ash

David Campbell    mdc_z_americanum_thorns

July        Ontario, Canada

Twigs reddish-brown or gray; broadbased prickles mostly paired at nodes, per Woody Plants of the Southeastern US: A Winter Guide.

 

WEAKLEY'S FLORA (11/30/12):
Zanthoxylum americanum   FAMILY Rutaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Zanthoxylum americanum   FAMILY Rutaceae

SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 103-01-001:
Zanthoxylum americana   FAMILY Rutaceae

SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) Gray's Manual of Botany (Fernald, 1950)
Xanthoxylum americanum

 

Find by SCIENTIFIC NAME:

1685

Shrub
Perennial
Dioecious

Native to South Carolina & Georgia

Habitat: woodlands, forests, and glade margins over calcareous or mafic rocks, often forming extensive colonies near outcrops, per Weakley's Flora

map
NEW! Click here to see a map from Weakley's Flora of the Southeastern US showing range and abundance.

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"?
Leaves oft armed w prickles on rachis; prickles on twigs usually paired at nodes

LEAVES:
Deciduous
Odd-pinnately compound: 7-13 leaflets
Alternate

FLOWER:
Spring
Yellowish-green
Unisexual
Radially symmetrical
4-6 sepals
4-6 petals

Flowers in small, axillary fascicles

FRUIT:
Summer
Reddish-brown
Follicle

 

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



 


Find by SCIENTIFIC NAME: