Smilax smallii Morong
Lance-leaf Greenbriar, Southern Smilax, Jacksonvine, Jacksonbriar
Smilacaceae (Catbrier Family)
Synonym(s): Smilax domingensis, Smilax lanceolata
USDA Symbol: smsm
Lance-leaf Greenbriar is a high-climbing vine, to about 8 ft. long, with small, light-green, shiny, evergreen leaves. Flat-topped clusters of small, yellowish flowers occur in all leaf axils to the ends of the branches. The subsequent berries remain a dull, brick-red for long periods of time before turning dark reddish-brown at maturity. Stems are mostly spineless and often at right angles to the main stem.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Root Type: Tuberous
Leaf Retention: Evergreen
Leaf Complexity: Simple
Leaf Shape: Lanceolate
Leaf Pubescence: Glabrous
Leaf Margin: Entire
Leaf Apex: Acute
Leaf Base: Cuneate , Rounded
Leaf Texture: Smooth
Breeding System: Flowers Unisexual , Dioecious
Inflorescence: Axillary , Umbel
Size Notes: Climber
Flower: Flower tiny
Fruit: Dark red to black 6 mm
Size Class: 6-12 ft.
Bloom InformationBloom Color: Yellow , Green
Bloom Time: Apr , May
DistributionUSA: AL , AR , DE , FL , GA , LA , MS , NC , OK , SC , TX , VA
Native Distribution: Coastal Plain from extreme s.e. VA to FL, w. to e. TX, Zones 7 to 9
Native Habitat: Sandy, alluvial woods; coastal plains; stream banks
Growing ConditionsWater Use: Medium
Light Requirement: Sun , Part Shade
Soil Moisture: Moist
Soil pH: Acidic (pH<6.8)
CaCO3 Tolerance: Low
Drought Tolerance: Low
Soil Description: Moist, alluvial, acidic soils.
BenefitUse Ornamental: A glossy, evergreen vine that can be trained to trellises. Unlike many Smilaxes, it is thornless.
Use Wildlife: Fruits eaten by multiple birds and mammals.
Interesting Foliage: yes
Deer Resistant: No
PropagationPropagation Material: Root Division , Seeds , Semi-hardwood Cuttings , Softwood Cuttings
Seed Collection: Mature seeds are brown. Two years are required for seeds to mature.
Commercially Avail: yes
Maintenance: Cut back to keep it from forming a dense thicket. Will form large, woody canes, so cut back to ground every three years in the spring if you don't like this.
National Wetland Indicator Status
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Crosby Arboretum - Picayune, MS
Wildflower Center Seed BankLBJWC-1075 Collected 2007-08-17 in Harrison County by Lady Bird Johnson Wildflower Center
BibliographyBibref 1620 - Gardening with Native Plants of the South (Reprint Edition) (2009) Wasowski, S. with A. Wasowski
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Additional resourcesUSDA: Find Smilax smallii in USDA Plants
FNA: Find Smilax smallii in the Flora of North America (if available)
Google: Search Google for Smilax smallii
MetadataRecord Modified: 2018-01-03
Research By: TWC Staff