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Plant Details

Polygonum polygamum [= Polygonella polygama]

October-flower, October Flower, Jointweed

Scientific Name:

Polygonum polygamum [= Polygonella polygama]

Genus:

Polygonella

Species Epithet:

polygama

Common Name:

October-flower, October Flower, Jointweed

Plant Type

Herb/Wildflower

Life Cycle

Perennial

Plant Family

Polygonaceae (Smartweed Family)

Native/Alien:

NC Native

Size:

0-1 ft., 1-3 ft.

Bloom Color(s):

White, Pink

Light:

Sun - 6 or more hours of sun per day

Soil Moisture:

Dry

Bloom Time:

August, September, October

Growing Area:

Sandhills, Coastal Plain

Habitat Description:

Carolina October-flower, Polygonum polygamum var. croomii: Sandhills, primarily in the fall-line Sandhills and middle Coastal Plain. ...ranges from se. and sc. NC south to SC and GA (Weakley 2015). Uncommon in NC Coastal Plain.
Common October-flower, Polygonum polygamum var polygamum: Sandhills, primarily in the outer Coastal Plain north of SC {Weakley 2015). Common in NC Coastal Plain.

Leaf Arrangement:

Alternate

Leaf Retention:

Deciduous

Leaf Type:

Leaves veined, not needle-like or scale-like

Leaf Form:

Simple

Life Cycle:

Perennial

Wildlife Value:

Has some wildlife value

Landscape Value:

Not Recommended for home landscapes

Notes:

This plant has a woody base and can be shrublike. Two varieties in NC.

Habitat

image

Plant

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Blooms

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Bloom Stems

Note the joints "jointweed"

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Male Bloom Stems

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Links:

USDA PLANTS Database Record

Eforas


Bird-Friendly Native Plants



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