Roundleaf Greenbrier
Scientific Name:Smilax rotundifolia
Common Name Synonyms: Common Greenbrier


NOTES: Bright green, monocotyledonous, woody vine with squarish twigs, numerous large, black-tipped thorns, and zigzag growth. Heart-shaped to round leaves, green on both sides. Dioecious (male and female flowers on separate plants).

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Tentative Identification.


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Roundleaf Greenbrier
Genus species: Smilax rotundifolia
Common Names: Roundleaf Greenbrier
Common Greenbrier
Family Name: Smilacaceae  
Perennial vines with tendrils or erect herbs, the woody vines with prickles; leaves alternate or whorled, simple, with 3-7 pairs of palmate veins converging at apex; flowers unisexual (plants dioecious), regular, in umbels; fruit a blackish or bluish berry (in our species).
Seed Type: Angiosperm
Origin:  
Native: native to North America.
Non-native: not native to North America.
Introduced Native: native to North
America, but not Rowe Woods.
* Definitions based on the USDA
terminology
Native
Category:Vine
Identified by:J.D. Mancini

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