Dig deeper at SERNEC, a consortium of southeastern herbaria.

Read more about Mild Waterpepper at Vascular Plants of North Carolina.

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Polygonum hydropiperoides   FAMILY Polygonaceae

SYNONYMOUS WITH Flora of North America

Persicaria hydropiperoides

INCLUDING VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 063-04-016a:

Polygonum hydropiperoides var. hydropiperoides   FAMILY Polygonaceae

INCLUDING Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968)

Polygonum hydropiperoides var. opelousanum

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)

Persicaria hydropiperoides

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)

Persicaria opelousana

COMMON NAME:
Mild Waterpepper, Swamp Smartweed

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

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_pehy7_001_lvd

        

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_peop3_001_lvd

        

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_pohy2_004_lvd

        

Gill Newberry    gn09_p_persicaria_hydropi

September        

Flowers without dotted glands, in erect spikes with gaps between clusters, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).

JK Marlow    jkm140909_509b

September    Greenville County    SC

Swamp Rabbit Trail

Calyx roseate below, pink or cream-white at the lobe apices, per Aquatic and Wetland Plants of Southeastern United States (Godfrey & Wooten, 1979 & 1981).

JK Marlow    jkm140909_514

September    Greenville County    SC

Swamp Rabbit Trail

With the habit of P. setaceum, but more slender and of lower stature, per Aquatic and Wetland Plants of Southeastern United States (Godfrey & Wooten, 1979 & 1981).

JK Marlow    jkm140909_514b

September    Greenville County    SC

Swamp Rabbit Trail

Leaves usually less than 15mm wide, 3.5 or more times longer than wide, per Wildflowers of the Eastern United States (Duncan & Duncan, 1999).

JK Marlow    jkm140909_515

September    Greenville County    SC

Swamp Rabbit Trail

Gill Newberry    gn10_p_persicaria_hydrope

October        

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Polygonum hydropiperoides   FAMILY Polygonaceae

SYNONYMOUS WITH Flora of North America
Persicaria hydropiperoides

INCLUDING VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 063-04-016a:
Polygonum hydropiperoides var. hydropiperoides   FAMILY Polygonaceae

INCLUDING Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968)
Polygonum hydropiperoides var. opelousanum

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Persicaria hydropiperoides

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Persicaria opelousana