Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Caryophyllales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Persicaria setacea
FAMILY
Polygonaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Bog Smartweed at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Polygonum setaceum
FAMILY
Polygonaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Persicaria setacea
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 5 (2005)
Persicaria setacea
INCLUDING Floristic Synthesis of North America (Kartesz, 1999)
Polygonum setaceum var. setaceum
INCLUDING Floristic Synthesis of North America (Kartesz, 1999)
Polygonum setaceum var. tonsum
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 063-04-017:
Polygonum setaceum FAMILY Polygonaceae
SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Polygonum hydropiperoides var. setaceum
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Persicaria setacea
COMMON NAME:
Swamp Smartweed, Bog Smartweed
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_pese15_001_lvd
)
USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_pose6_002_lvd
)
JK Marlow jkm140724_076b
July Greenville County SC
Swamp Rabbit Trail
Racemes densely flowered. Calyx greenish to pinkish or whitish, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm140724_079
July Greenville County SC
Swamp Rabbit Trail
)
JK Marlow jkm130824_583
August Spartanburg County SC
Leaves lacking a triangular reddish blotch. Blades cuneate to truncate at base, per Weakley's Flora.
)
JK Marlow jkm210813_2789
August Greenville County SC
Blackwell Heritage Preserve
Nutlets black, lustrous, trigonous [three-angled], per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm210813_2792
August Greenville County SC
Blackwell Heritage Preserve
Ocreae densely strigose, 1-1.5cm long, cilia 6-10mm long, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
COMPARE
ocreae of Jumpseed and Smartweed species
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Persicaria setacea
FAMILY
Polygonaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Polygonum setaceum
FAMILY
Polygonaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Persicaria setacea
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 5
Persicaria setacea
INCLUDING
Floristic Synthesis of North America (Kartesz, 1999)
Polygonum setaceum var. setaceum
INCLUDING
Floristic Synthesis of North America (Kartesz, 1999)
Polygonum setaceum var. tonsum
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 063-04-017:
Polygonum setaceum
FAMILY
Polygonaceae
SYNONYMOUS WITH
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Polygonum hydropiperoides var. setaceum
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Persicaria setacea
2240
Forb
Perennial
Habitat: swamp forests, bottomland forests, per Weakley's Flora
Native to the Carolinas & Georgia
Common (rare in GA & NC Mountains)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
IS THE PLANT "ARMED"?
Stems, petioles and leaves unarmed
LEAVES:
Simple
Alternate
FLOWER:
Summer/Fall
Greenish/Pinkish/Whitish
5-parted calyx
Petals absent
Superior ovary
Bisexual
Inflorescence spikelike, uninterrupted
FRUIT:
Summer/Fall
Nutlet
TO LEARN MORE about this plant, look it up in a good book!
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p207
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p004
- Wildflowers of the Southern Mountains (Smith, 1998) p034
- Wildflowers of the Sandhills Region (Sorrie, 2011) p248
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