Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Caryophyllales
WEAKLEY'S FLORA (4/24/22):
Persicaria arifolia
FAMILY
Polygonaceae
NEW! Click to go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Halberd-leaf Tearthumb at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Polygonum arifolium
FAMILY
Polygonaceae
SYNONYMOUS WITH
Flora of North America
Persicaria arifolia
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 063-04-019:
Polygonum arifolium
FAMILY
Polygonaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Tracaulon arifolium
COMMON NAME:
Halberd-leaf Tearthumb
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_poar6_002_lvd
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_trar6_001_lvd
)
Gill Newberry gn10_polygonum_arifolium
October
Leaves to 6" long, broadly hastate with flaring triangular lobes, per Wildflowers of the Southern Mountains.
WEAKLEY'S FLORA (4/24/22):
Persicaria arifolia
FAMILY
Polygonaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Polygonum arifolium
FAMILY
Polygonaceae
SYNONYMOUS WITH
Flora of North America
Persicaria arifolia
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 063-04-019:
Polygonum arifolium
FAMILY
Polygonaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Tracaulon arifolium
1117
Forb
Annual
Native to the Carolinas & Georgia
Common in Carolina Coastal Plain, uncommon in NC Piedmont, rare elsewhere in GA-NC-SC
Habitat: marshes, wet thickets, per Weakley's Flora
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"?
Stem, petioles, and major leaf veins (beneath) have abundant recurved prickles
LEAVES:
Simple
Alternate
FLOWER:
Summer/Fall
Pink
Bisexual
4-parted calyx
Petals absent
Superior ovary
Inflorescence capitate or paniclelike, uninterrupted
FRUIT:
Summer/Fall
Reddish-brown
Nutlet
TO LEARN MORE about this plant, look it up in a good book!
- Guide to the Wildflowers of SC p330
- Newcomb's Wildflower Guide p402
- Wildflowers of the Atlantic Southeast p206
- Wildflowers of the Eastern United States p004
- Wildflowers of the Southern Mountains p032