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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Polygonella americana (Southern jointweed)
San Antonio River Authority

Polygonella americana

Polygonella americana (Fisch. & C.A. Mey.) Small

Southern Jointweed

Polygonaceae (Buckwheat Family)

Synonym(s): Gonopyrum americanum

USDA Symbol: POAM3

USDA Native Status: L48 (N)


From the Image Gallery

1 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Shape: Linear , Spatulate
Leaf Pubescence: Glabrous
Leaf Apex: Acute , Obtuse
Size Class: 1-3 ft.

Bloom Information

Bloom Color: White , Pink
Bloom Time: Jun , Jul , Aug , Sep , Oct


USA: AL , AR , GA , IN , LA , MO , MS , NC , NM , OK , SC , TN , TX

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Mt. Cuba Center - Hockessin, DE

Herbarium Specimen(s)

NPSOT 1077 Collected May 30, 1996 in Bexar County by Robert N. Nelson

1 specimen(s) available in the Digital Herbarium


Bibref 328 - Wildflowers of Texas (2003) Ajilvsgi, Geyata.

Search More Titles in Bibliography

Additional resources

USDA: Find Polygonella americana in USDA Plants
FNA: Find Polygonella americana in the Flora of North America (if available)
Google: Search Google for Polygonella americana


Record Modified: 2012-07-02
Research By: TWC Staff

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