Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Caryophyllales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Persicaria hydropiper
FAMILY
Polygonaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Marshpepper Smartweed at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Polygonum hydropiper
FAMILY
Polygonaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Persicaria hydropiper
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 5 (2005)
Persicaria hydropiper
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 063-04-012:
Polygonum hydropiper FAMILY Polygonaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Persicaria hydropiper
COMMON NAME:
Marshpepper Smartweed, Waterpepper
To see larger pictures, click or hover over the thumbnails.
)
USDA Forest Service / A Guide to Medicinal Plants of Appalachia. 1969 mpa_page_205
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_pehy6_001_lvd
)
USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_pohy_001_lvd
)
USDA / Selected Weeds of the US. 1970 swus_page_123
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Persicaria hydropiper
FAMILY
Polygonaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Polygonum hydropiper
FAMILY
Polygonaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Persicaria hydropiper
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 5
Persicaria hydropiper
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 063-04-012:
Polygonum hydropiper
FAMILY
Polygonaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Persicaria hydropiper
4324
Forb
Annual
Habitat: Wet pastures, barnyards, ditches, per Weakley's Flora
Non-native: Europe
Common in NC, uncommon in Mountains of GA & SC (rare elsewhere in GA & SC)
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:
Spring/Summer/Fall
Greenish
with narrow pink or white, hyaline margins near apex
5-parted calyx
Petals absent
Superior ovary
Bisexual
Inflorescence spikelike, interrupted or uninterrupted distally
FRUIT:
Spring/Summer/Fall?
Nutlet
TO LEARN MORE about this plant, look it up in a good book!
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".