Native & Naturalized Plants of the Carolinas & Georgia


2552

Forb (sometimes somewhat woody at base)
Perennial

Native to Georgia, South Carolina, & possibly North Carolina
Documented growing wild in GA NC SC

Uncommon (rare in NC)

Look for it in sandhills, other dry habitats, per Weakley's Flora

map
To see a detailed map, click here

 

...Dry

LEAVES:
Simple
Alternate

FLOWER:
Summer/Fall
White
Bisexual
5 sepals (three inner, two outer)
Petals absent
Superior ovary

FRUIT:
Summer/Fall
Reddish-brown
Nutlet

 

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



Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Caryophyllales

WEAKLEY'S FLORA (11/30/12):
Polygonum americanum   FAMILY Polygonaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Polygonella americana   FAMILY Polygonaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 063-06-001:
Polygonella americana   FAMILY Polygonaceae

 

COMMON NAME:
Southern Jointweed, Showy Jointweed


Click or hover over the thumbnails to see larger pictures.

image of Polygonum americanum

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_poam3_001_lvd

        

image of Polygonum americanum

John Cely    jec_polygonella1_02

September    Richland County    SC

A hillside in full bloom is a stunning sight - John Cely

image of Polygonum americanum

John Cely    jec_7956

October    Richland County    SC

When not in bloom it resembles a small cedar, per www.missouriplants.com.

image of Polygonum americanum

John Cely    jec_7956b

October    Richland County    SC

Petals absent. Sepals to 3mm long, white, per Vascular Flora of the Carolinas.

image of Polygonum americanum

John Cely    jec_7960

October    Richland County    SC