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Smilax rotundifolia L.
ROUNDLEAF GREENBRIER
Common Greenbrier

Life   Plantae   Monocotyledoneae   Smilacaceae   Smilax

Smilax rotundifolia
© Copyright Bobby Hattaway 2011 · 5
Smilax rotundifolia

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Smilax rotundifolia
© Copyright Bobby Hattaway 2011 · 5
Smilax rotundifolia
Smilax rotundifolia
© Copyright Bobby Hattaway 2011 · 5
Smilax rotundifolia

Smilax rotundifolia
© Copyright Bobby Hattaway 2011 · 5
Smilax rotundifolia
Smilax rotundifolia
© Copyright Bobby Hattaway 2011 · 5
Smilax rotundifolia

Smilax rotundifolia
© Copyright Bobby Hattaway 2011 · 5
Smilax rotundifolia
Smilax rotundifolia
© Copyright Bobby Hattaway 2011 · 5
Smilax rotundifolia

Smilax rotundifolia
© Copyright Bobby Hattaway 2011 · 5
Smilax rotundifolia
Smilax rotundifolia
© Copyright Bobby Hattaway 2011 · 5
Smilax rotundifolia

Smilax rotundifolia
© Copyright Bobby Hattaway 2011 · 5
Smilax rotundifolia
Smilax rotundifolia
© Copyright Bobby Hattaway 2011 · 5
Smilax rotundifolia

Smilax rotundifolia, Roundleaf Greenbrier
© John Pickering, 2004-2017 · 4
Smilax rotundifolia, Roundleaf Greenbrier
Smilax rotundifolia
© Les Mehrhoff, 2008-2010 · 4
Smilax rotundifolia

Smilax rotundifolia, whole tree or vine - general
© Copyright Steve Baskauf, 2002-2011 · 4
Smilax rotundifolia, whole tree or vine - general
Smilax rotundifolia, leaf - showing orientation on twig
© Copyright Steve Baskauf, 2002-2011 · 4
Smilax rotundifolia, leaf - showing orientation on twig

Associates · map
FamilyScientific name @ source (records)
Agaricaceae  Phoma smilacina @ BPI (3)
Amphisphaeriaceae  Discosia maculicola @ BPI (1)

Pestalotia clavata @ BPI (2)
Aphididae  Neoprociphilus aceris @ AMNH_PBI (17); NCSU (1)
Botryosphaeriaceae  Diplodia smilacina @ BPI (1)

Dothiorella smilacina @ BPI (3)

Macrophoma smilacina @ BPI (5)

Phyllosticta smilacina @ BPI (4)

Phyllosticta smilacis @ BPI (26)

Phyllosticta @ BPI (2)

Sphaeropsis smilacis @ BPI (4)
Davidiellaceae  Cladosporium smilacis @ BPI (3)

Cladosporium @ BPI (1)
Dermateaceae  Discohainesia oenotherae @ BPI (2)

Marssonina obclavata @ BPI (1)
Diaspididae  Pinnaspis aspidistrae @ AMNH_PBI (1)
Diatrypaceae  Eutypella sepulta @ BPI (1)
Hysteriaceae  Gloniopsis smilacis @ BPI (1)

Hysterographium smilacis @ BPI (1)
Membracidae  Stictocephala brevitylus @ NCSU (1)
Microthyriaceae  Microthyrium smilacis @ BPI (2)

Muyocopron smilacis @ BPI (2)
Mycosphaerellaceae  Cercospora mississippiensis @ BPI (2)

Cercospora petersii @ BPI (1)

Cercospora smilacina @ BPI (6)

Cercospora smilacis @ BPI (3)

Cercospora @ BPI (1)

Mycosphaerella smilacicola @ BPI (4)
Phaeosphaeriaceae  Stagonospora smilacis @ BPI (1)
Piesmatidae  Mcateella kwoki @ AMNH_PBI (1)
Pucciniaceae  Puccinia arundinariae @ BPI (1)

Puccinia macrospora @ BPI (12)

Puccinia smilacis @ BPI (60)
Turritellidae  Vermicularia albomaculata @ BPI (1)
Uropyxidaceae  Aecidium smilacis @ BPI (1)
_  Ascochyta smilacis @ BPI (2)

Hypodermopsis smilacis @ BPI (1)

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Following modified from Virginia Tech Dendrology
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Following modified from Delaware Wildflowers
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Delaware Wildflowers  •  Scientific names

Smilax rotundifolia L. Round-leaf Greenbrier
Smilacaceae — Greenbriar family
Native
Smilax rotundifolia
Middle Run Valley Natural Area
May 2003 Smilax rotundifolia
Cape Henlopen State Park
April 2011 Smilax rotundifolia
White Clay Creek State Park -- Judge Morris Estate
August 2014

More information on this plant, from other sources.


Copyright David G. Smith

Delaware Wildflowers main page

Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=SMRO ---> https://plants.usda.gov/java/profile?symbol=SMRO
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Following modified from Flora of North America
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Link to Flora of North America home
 
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FNA Vol. 26 Page 470, 475, 476 , 477 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 26 | Smilacaceae | Smilax

17. Smilax rotundifolia Linnaeus, Sp. Pl. 2: 1030. 1753.

Common greenbrier or catbrier, bullbrier, horsebrier

Smilax caduca Linnaeus; S. quadrangularis Muhlenberg ex Willdenow; S. rotundifolia var. crenulata Small & A. Heller; S. rotundifolia var. quadrangularis (Muhlenberg ex Willdenow) Alph. Wood

Vines; rhizomes linear. Stems perennial, climbing, branching, terete to quadrangular, 5—6+ m × 6 mm, woody, glabrous; prickles green with dark tips, stout, to 12 mm. Leaves deciduous to evergreen, ± evenly disposed; petiole 0.5—1.5 cm; tendrils numerous; blade variable, bright green, drying to pale to brownish green, usually ovate to broadly ovate, with 3 (or 5) ± prominent veins, 4—17 × 4—16 cm, lustrous, not glaucous, glabrous abaxially, base cordate to rounded with acute insertion at petiole, margins entire, apex abruptly pointed. Umbels numerous, axillary to leaves, 5—12(—20)-flowered, open to dense, hemispherical to spherical; peduncle to 1.5 cm, longer or shorter than petiole of subtending leaf. Flowers: perianth pale yellowish green to bronze; tepals 3—4 mm; anthers shorter than to ± equaling filaments; ovule 1 per locule; pedicel 0.2—1.5 cm. Berries blue-black to black, globose, 5—8 mm, glaucous. 2n = 32.

Flowering Apr--Jun. Dry to moist, sometimes riparian woods, borders, hedgerows, thickets; 0--200 m; N.S., Ont.; Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Ind., Kans., Ky., La., Maine, Md., Mass., Mich., Miss., Mo., N.H., N.J., N.Y., N.C., Ohio, Okla., Pa., R.I., S.C., Tenn., Tex., Va., W.Va.

Normally, the peduncle of Smilax rotundifolia is about the same length as the petiole of the subtending leaf. In exceptional cases, the peduncle may be considerably longer, thereby making this widely distributed species difficult to distinguish from S. bona-nox and S. tamnoides. It lacks the marginal cartilaginous band found on the leaves of the former species and the hispid prickles of the stem of the latter. Specimens of S. tamnoides lacking prickles may be distinguished by their more strongly ridged stems.

Updated: 2017-11-20 08:44:46 gmt
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