FNPS Plant Database

Funastrum clausum

white twinevine

PHOTOS COMING SOON!

Nomenclature

Common Name:

white twinevine

Synonym(s):

Sarcostemma clausum

Genus species:

Funastrum clausum

Family:

Apocynaceae

Plant Specifics

Form:

vine

Size:

20-30 ft ft

Life Span:

Long-lived perennial

Flower Color:

white

Fruit Color:

brown

Phenology:

evergreen

Noted For:

Showy Flowers

Landscaping

Recommended Uses:

Trellis or fence

Considerations:

This is an extremely aggressive vine. It can grow into mats that cover shrubs and small trees.

Availability:

Friends

Propagation:

Seeds or cuttings.

Light:

Full Sun, Part Sun

Moisture Tolerance:

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

Coming Soon!

Usually moist, occasional inundation ---to--- Somewhat moist, no flooding

Salt Water Flooding Tolerance:

Unknown

Salt Spray/Salty Soil Tolerance:

Low/no tolerance of salty wind or direct salt spray

Soil or Other Substrate:

Soil pH:

alkaline to mildly acidic

Suitable to Grow In:

9B,10A,10B,11

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



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Ecology

Wildlife:

Butterflies, Caterpillars

Larval host for monarch ( Danaus plexippus ), queen ( Danaus gilippus ), and soldier ( Danaus eresimu ) butterflies.  Apparently not a monarch favorite.





Nectar plant for these and other butterflies.

Native Habitats:

Moist sites such as edges of wetlands.

Natural Range in Florida:

Comments:

Ethnobotany:

Toxic.

General Comments:

Citations:

https://thenaturecollective.org/plant-guide/details/climbing-milkweed/
https://butterfly-fun-facts.com/white-twinevine-milkweed-funastrum-clausum/
https://www.facebook.com/watch/?v=243078263628970

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.

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