Carolinas and Georgia

3188

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

WEAKLEY'S FLORA (5/21/15):
Persicaria amphibia   FAMILY Polygonaceae

INCLUDING PLANTS NATIONAL DATABASE:
Polygonum amphibium +   FAMILY Polygonaceae

INCLUDING VASCULAR FLORA OF THE CAROLINAS (1968) 063-04-006:
Polygonum coccineum   FAMILY Polygonaceae

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

 

COMMON NAME:
Water Smartweed, Scarlet Smartweed


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Look for it in marshes, wet disturbed areas, per Weakley's Flora

Aquatic with submersed or floating leaves, or terrestrial; Forb
Perennial

Native to the Carolinas
Documented growing wild in - NC SC

Rare

 

IS THE PLANT "ARMED"?
Stems, petioles and leaves unarmed

LEAVES:
Simple
Alternate

RHIZOMES? STOLONS?
Rhizomatous, forming clonal colonies

FLOWER:
Summer/Fall
Deep pink/ Red
Bisexual, or often functionally unisexual
5-parted calyx
Petals absent
Superior ovary
Inflorescence spikelike, uninterrupted or interrupted proximally

FRUIT:
Summer/Fall
Light brown
Nutlet

 

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



Persicaria amphibia   FAMILY Polygonaceae

Water Smartweed, Scarlet Smartweed