Smilax rotundifolia

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Smilax rotundifolia
Smilax rotundifolia SEF.jpg
Photo by John Gwaltney hosted at Southeastern Flora.com
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Liliopsida - Moncots
Order: Liliales
Family: Smilacaceae
Genus: Smilax
Species: S. rotundifolia
Binomial name
Smilax rotundifolia
L.
SMIL ROTU DIST.JPG
Natural range of Smilax rotundifolia from USDA NRCS [1].

Common Names: Common greenbriar; bullbriar; horsebriar[1]

Taxonomic Notes

Description

S. rotundifolia is a monoecious perennial that grows as a shrub or vine.[2]

Distribution

The distribution of S. rotundifolia ranges from eastern Texas, westward to northern Florida, and northward into the provinces of Nova Scotia and Ontario Canada.[1]

Ecology

Habitat

S. rotundifolia is found in a variety of upland and wetland habitats.[1]

Phenology

In the southeastern and mid-Atlantic United States, S. rotundifolia flowers from April through May with fruiting occurring in September through November and persisting beyond.[1]

Fire ecology

Controlled burns conducted during the spring of 2001 and 2004 in an Ohio mixed-oak hardwood forest had the fire spread at mean rates of 6.2-11.3 m min-1 (as cited in [3]). These burns significantly reduced the mean percent cover of S. rotundifolia from 10.9% in 2001 and 8.1% in 2004 to 0.7 and 1.1%, respectively. The combination of burn and winter thinning yielded similar results producing mean coverage of 0.7 and 1.9% for 2001 and 2004, respectively.[3]

Use by animals

Leave and twigs of S. rotundifolia are known to have been consumed by the Florida marsh rabbit (Sylvilagus palustris paludicola).[4]

Conservation and Management

Winter thinning in an Ohio mixed-oak hardwood forest reduced the mean percent coverage of S. rotundifolia from 10.9% to 3.1%. This reduced value was still higher than the reduction of cover produced by burning, suggesting burning to be more effective in reducing the coverage of S. rotundifolia.[3]

Cultivation and restoration

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 1.3 Weakley AS (2015) Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC: University of North Carolina Herbarium.
  2. Cite error: Invalid <ref> tag; no text was provided for refs named USDA
  3. 3.0 3.1 3.2 Albrecht MA, McCarthy BC (2006) Effects of prescribed fire and thinning on tree recruitment patterns in central hardwood forests. Forest Ecology and Management 226:88-103.
  4. Blair WF (1936) The Florida marsh rabbit. Journal of Mammalogy 17(3):197-207.