Dicot Herbs
Persicaria sagittata
Arrowleaf Tearthumb
NATIVE
Click image to enlarge
 
Distinct arrowhead shaped leaves, with bases that encircle stem
Credit: Kristie Gianopulos. Used with permission.
 
 
 
Thumbnail 1
 
 
Coefficient of Conservatism Values (more info)
Mountains
5
Piedmont
4
Coastal Plain
5
National Wetland Plant List Status (more info)
Eastern Mountains/Piedmont
OBL
Coastal Plain
OBL

FIELD ID CHARACTERISTICS:

Square stem heavily armed with unmistakable briars that can tear flesh, hence the common name.

Synonym(s): Polygonum sagittatum, Tracaulon sagittatum, Truellum sagittatum

Description: Trailing, perennial herb up to 2 m long with weak intertwining branches.

Leaves: Simple, entire, alternate, arrow-shaped leaves with acute tips. Leaf midribs contain spines.

Flowers/Fruit: Tiny flowers are white to pink, clustered on ends of stalks emerging from base of leaves. Flowers and fruits May to November.

Habit and Range: Freshwater marshes, wet fields and disturbed areas across North Carolina.

Typical Max Plant Height (m):
2
Leaf Arrangement:
Alternate   
Leaf Division:
Simple   
Leaf Margin:
Entire   
Leaf Shape:
Triangular, Lance-shaped (Lanceolate)      
Inflorescence Color:
White, Pink   
  
Fruit Color:
Brown   
Lifespan:
Perennial
Group:
Dicot
Family:
Polygonaceae / Smartweed
Ecoregions Found In:
Statewide