FNPS Plant Database

Cnidoscolus stimulosus

tread-softly; finger-rot

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Nomenclature

Common Name:

tread-softly; finger-rot

Synonym(s):

Genus species:

Cnidoscolus stimulosus

Family:

Euphorbiaceae

Plant Specifics

Form:

flower

Size:

1 (3) ft tall by 0.5-1 ft wide 

Life Span:

long-lived perennial

Flower Color:

white

Fruit Color:

Phenology:

winter dormant; blooms spring-summer

Noted For:

Showy Flowers, Thorns

Landscaping

Recommended Uses:

wildflower garden

Considerations:

While this plant has interesting foliage and white flowers, it also has stinging hairs. Weeding around this species, transplanting it, or walking on it is unpleasant unless gloves are worn.

Availability:

Seed

Propagation:

seed

Light:

Full Sun, Part Shade

Moisture Tolerance:

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


Somewhat moist, no flooding ---to--- Very long very dry periods

Salt Water Flooding Tolerance:

Not salt tolerant of inundation by salty or brackish water

Salt Spray/Salty Soil Tolerance:

Moderate. Tolerant of salty wind and may get some salt spray. Exposure to salt spray would be uncommon (major storms).

Soil or Other Substrate:

Sand

Soil pH:

Suitable to Grow In:

8A, 8B, 9A, 9B, 10A, 10B, 11

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



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Ecology

Wildlife:

Butterflies, Pollinators

Attracts butterflies and other insects

Native Habitats:

Disturbed dry areas, scrub and scrubby flatwoods, sandhill

Natural Range in Florida:

Comments:

Ethnobotany:

General Comments:

Perhaps best left to wildflower enthusiasts out to prove that they can tolerate the pain of growing it!

Citations:

Austin, Daniel, Penelope N. Honychurch, and Steve Bass. 1991. Coastal Dune Plants. Gumbo Limbo Nature Center, Boca Raton.

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