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NC Native Plant Society:
Plant Details

Smilax rotundifolia

Bullbriar/Bullbrier, Common Greenbriar/Greenbrier, Horsebriar/Horsebrier, Roundleaf Greenbriar/Greenbrier

Scientific Name:

Smilax rotundifolia

Genus:

Smilax

Species Epithet:

rotundifolia

Common Name:

Bullbriar/Bullbrier, Common Greenbriar/Greenbrier, Horsebriar/Horsebrier, Roundleaf Greenbriar/Greenbrier

Plant Type

Woody Vine

Life Cycle

Perennial

Plant Family

Smilacaceae (Greenbriar Family)

Native/Alien:

NC Native

Invasive Status:

(*Key)

Size:

3-6 ft., 6-12 ft., 12-36 ft., 36-72 ft.

Bloom Color(s):

Yellow, Green

Light:

Sun - 6 or more hours of sun per day, Part Shade - 2 to 6 hours of sun per day, Less than 2 hours of sun per day

Soil Moisture:

Dry, Moist, Wet

Bloom Time:

April, May

Growing Area:

Mountains, Piedmont, Sandhills, Coastal Plain

Habitat Description:

In a wide variety of upland and wetland habitats. Common throughout NC.

Leaf Arrangement:

Alternate

Leaf Retention:

Deciduous

Leaf Type:

Leaves veined, not needle-like or scale-like

Leaf Form:

Simple

Life Cycle:

Perennial

Wildlife Value:

Important for Wildlife

Landscape Value:

Not Recommended for home landscapes

State Rank:

S5: Secure (*Key)

Global Rank:

G5 - Secure (*Key)

Notes:

The rounded leaves are green & shiny on both sides. Can grow aggressively in forest openings and along edges, and may form dense, impenetrable thickets. The fruits are bluish-black.

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Links:

USDA PLANTS Database Record

https://auth1.dpr.ncparks.gov/flora/species_account.php

https://plants.ces.ncsu.edu/plants/smilax-rotundifolia/

https://gobotany.nativeplanttrust.org/species/smilax/rotundifolia/



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