OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Polygonella americana   FAMILY Polygonaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Polygonella americana   FAMILY Polygonaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Polygonum americanum

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 5 (2005)

Polygonella americana

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)

Polygonella americana

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 063-06-001:

Polygonella americana   FAMILY Polygonaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Polygonella americana

 

COMMON NAME:
Southern Jointweed, Showy Jointweed


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

image of Polygonella americana, Southern Jointweed, Showy Jointweed

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

        

image of Polygonella americana, Southern Jointweed, Showy Jointweed

John Cely    jec_polygonella1_02

September    Richland County    SC

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

image of Polygonella americana, Southern Jointweed, Showy Jointweed

John Cely    jec_7956

October    Richland County    SC

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

image of Polygonella americana, Southern Jointweed, Showy Jointweed

John Cely    jec_7956b

October    Richland County    SC

Petals absent. Sepals to 3mm long, white, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Polygonella americana, Southern Jointweed, Showy Jointweed

John Cely    jec_7960

October    Richland County    SC

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Polygonella americana   FAMILY Polygonaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Polygonella americana   FAMILY Polygonaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Polygonum americanum

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 5
Polygonella americana

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Polygonella americana

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 063-06-001:
Polygonella americana   FAMILY Polygonaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Polygonella americana

 

Find by SCIENTIFIC NAME:

2552

Forb (sometimes somewhat woody at base)
Perennial

Habitat: Longleaf pine sandhills, other dry woodlands, glades, and barrens with sandy or rocky soil, per Weakley's Flora

Native to the Carolinas & Georgia

Uncommon (rare in NC)

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)

LEAVES:
Simple
Alternate

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

FRUIT:
Summer/Fall
Reddish-brown
Nutlet

 

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



 


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