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Cnidoscolus urens var. stimulosus (Finger rot)
Cressler, Alan

Cnidoscolus urens var. stimulosus

Cnidoscolus urens (L.) Arthur var. stimulosus (Michx.) Govaerts

Finger Rot, Tread Softly

Euphorbiaceae (Spurge Family)

Synonym(s): Bivonea stimulosa, Cnidoscolus stimulosus, Jatropha stimulosa


USDA Native Status: L48 (N)

White, trumpet-shaped flowers are in a few-flowered, terminal cluster on a plant covered with stinging hairs.


From the Image Gallery

10 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Fruit Type: Capsule
Size Notes: Up to about 4 feet tall.

Bloom Information

Bloom Color: White
Bloom Time: Mar , Apr , May , Jun , Jul , Aug , Sep


USA: AL , FL , GA , KY , LA , MS , NC , SC , VA
Native Distribution: Virginia south to Florida; west to Texas.
Native Habitat: Sandy woods and fields along the coastal plain.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Crosby Arboretum - Picayune, MS

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Cnidoscolus urens var. stimulosus in USDA Plants
FNA: Find Cnidoscolus urens var. stimulosus in the Flora of North America (if available)
Google: Search Google for Cnidoscolus urens var. stimulosus


Record Modified: 2023-03-30
Research By: TWC Staff

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