FNPS Plant Database

Gelsemium rankinii

odorless jessamine

PHOTOS COMING SOON!

Nomenclature

Common Name:

odorless jessamine

Synonym(s):

Genus species:

Gelsemium rankinii

Family:

Gelsemiaceae

Plant Specifics

Form:

vine

Size:

To 20 ft

Life Span:

Long-lived perennial

Flower Color:

yellow

Fruit Color:

brown

Phenology:

evergreen

Noted For:

Showy Flowers, Interesting Foliage

Landscaping

Recommended Uses:

Grow on support or up a tree in moist areas. Can make a good screen on a fence.

Considerations:

The flowers, leaves, and roots are poisonous and may be lethal to humans and livestock. The species nectar may also be toxic to honeybees if too much is consumed and honey made from Carolina Jessamine nectar may be toxic to humans.

Availability:

Native Nurseries, Seed

Propagation:

Seed or hardwood and semi-hardwood cuttings.

Light:

Part Sun

Moisture Tolerance:

Always Flooded------------------------------------------------Extremely Dry

Coming Soon!

Usually moist, occasional inundation ---to--- Not wet but not extremely dry

Salt Water Flooding Tolerance:

Unknown

Salt Spray/Salty Soil Tolerance:

Low/no tolerance of salty wind or direct salt spray

Soil or Other Substrate:

Sand, Loam, Organic

Soil pH:

Acidic

Suitable to Grow In:

8A,8B,9A

USDA zones are based on the average annual extreme minimum winter temperature.



Don't know your zone? Click here to search by zip code.

Ecology

Wildlife:

Pollinators

Attracts bees.

Possibly used by hummingbirds, but toxins in the nectar may make it a last resort.

Native Habitats:

Bogs, acidic swamps, wet river swamps.

Natural Range in Florida:

Comments:

Ethnobotany:

General Comments:

Rarely grown but worthy of consideration for moist areas.



Poisonous and nectar may be toxic to some insects.

Citations:

JC Raulston Arboretum, North Carolina State University.  Undated.  https://jcra.ncsu.edu/horticulture/plant-profiles/details.php?ID=84.  Accessed 1/1/2021. Wunderlin, R. P., B. F. Hansen, A. R. Franck, and F. B. Essig. 2021. Atlas of Florida Plants (http://florida.plantatlas.usf.edu/). Institute for Systematic Botany, University of South Florida, Tampa.

Request an update