OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Persicaria sagittata   FAMILY Polygonaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Polygonum sagittatum   FAMILY Polygonaceae

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

Persicaria sagittata

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 063-04-018:

Polygonum sagittatum   FAMILY Polygonaceae

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

Tracaulon sagittatum

 

COMMON NAME:
Arrowleaf Tearthumb, Arrowvine, Scratch-grass


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

image of Persicaria sagittata, Arrowleaf Tearthumb, Arrowvine, Scratch-grass

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_posa5_001_lvd

        

image of Persicaria sagittata, Arrowleaf Tearthumb, Arrowvine, Scratch-grass

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_trsa4_001_lvd

        

image of Persicaria sagittata, Arrowleaf Tearthumb, Arrowvine, Scratch-grass

JK Marlow    jkm140711_796

July    Greenville County    SC

Swamp Rabbit Trail

Leaves narrowly arrow-shaped, 1-3" long, per Newcomb's Wildflower Guide (Newcomb, 1977).

image of Persicaria sagittata, Arrowleaf Tearthumb, Arrowvine, Scratch-grass

JK Marlow    jkm140711_796b

July    Greenville County    SC

Swamp Rabbit Trail

Sharp backward-turned prickles on stems & midveins of leaf undersides, per Wildflowers of the Eastern United States (Duncan & Duncan, 1999).

image of Persicaria sagittata, Arrowleaf Tearthumb, Arrowvine, Scratch-grass

JK Marlow    jkm090815_027b

August    Greenville County    SC

Beaverpond & adjacent land

Flowers have 5 [calyx] lobes and usually 8 stamens, per Newcomb's Wildflower Guide (Newcomb, 1977).

image of Persicaria sagittata, Arrowleaf Tearthumb, Arrowvine, Scratch-grass

JK Marlow    jkm090815_049

August    Greenville County    SC

Beaverpond & adjacent land

Leaves petiolate, sagittate at base, per Weakley's Flora.

image of Persicaria sagittata, Arrowleaf Tearthumb, Arrowvine, Scratch-grass

JK Marlow    jkm140809_396

August    Greenville County    SC

Swamp Rabbit Trail

image of Persicaria sagittata, Arrowleaf Tearthumb, Arrowvine, Scratch-grass

Gill Newberry    gn09_p_persicaria_sagitta

September        

image of Persicaria sagittata, Arrowleaf Tearthumb, Arrowvine, Scratch-grass

JK Marlow    jkm060903_081

September    Transylvania County    NC

DuPont State Forest

Flowers usually 3-12 in capitate clusters, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Persicaria sagittata, Arrowleaf Tearthumb, Arrowvine, Scratch-grass

JK Marlow    jkm130913_300

September    Greenville County    SC

Swamp Rabbit Trail

image of Persicaria sagittata, Arrowleaf Tearthumb, Arrowvine, Scratch-grass

JK Marlow    s060903_i

September    Transylvania County    NC

DuPont State Forest

image of Persicaria sagittata, Arrowleaf Tearthumb, Arrowvine, Scratch-grass

JK Marlow    jkm0310d_23

October    Greenville County    SC

Roadside/creekside

Flowers white or pink in small rounded heads, per Wildflowers of the Southern Mountains (Smith, 1998).

image of Persicaria sagittata, Arrowleaf Tearthumb, Arrowvine, Scratch-grass

JK Marlow    jkm0310e_31

October    Jackson County    NC

Roadside/creekside

image of Persicaria sagittata, Arrowleaf Tearthumb, Arrowvine, Scratch-grass

JK Marlow    jkm161013_923

October    Greenville County    SC

Cedar Falls Park

image of Persicaria sagittata, Arrowleaf Tearthumb, Arrowvine, Scratch-grass

JK Marlow    jkm231012_6013

October    Greenville County    SC

image of Persicaria sagittata, Arrowleaf Tearthumb, Arrowvine, Scratch-grass

JK Marlow    jkm231012_6016

October    Greenville County    SC

image of Persicaria sagittata, Arrowleaf Tearthumb, Arrowvine, Scratch-grass

JK Marlow    jkm231012_6020

October    Greenville County    SC

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Persicaria sagittata   FAMILY Polygonaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Polygonum sagittatum   FAMILY Polygonaceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 5
Persicaria sagittata

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 063-04-018:
Polygonum sagittatum   FAMILY Polygonaceae

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

 

Find by SCIENTIFIC NAME:

1125

Forb
Annual

Habitat: marshes, bogs, beaver impoundments, wet thickets, per Weakley's Flora

Native to the Carolinas & Georgia

Common

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.)

IS THE PLANT "ARMED"?
Stem, petioles, and major leaf veins (beneath) have abundant recurved prickles

LEAVES:
Simple
Alternate

FLOWER:
Spring/Summer/Fall
White/Pink
5-parted calyx
Petals absent
8 stamens
Superior ovary
Bisexual

Inflorescence capitate or paniclelike, uninterrupted

FRUIT:
Spring/Summer/Fall
Blackish-brown
Nutlet

 

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



 


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