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Silphium asteriscus L.
Starry rosinweed

Silphium asteriscus
Copyright by: George D. Gann, 2017
In cultivation by Green Isle Gardens, Florida

Family: Asteraceae

Group: Dicot

Substrate: Terrestrial

Habit: Herb

Perennation: Perennial

Native Range: Southeastern United States south along the western coast of peninsular Florida to Lee County.

Map of Florida Locations

IRC SOUTH FLORIDA Status: Critically Imperiled

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Native

SOUTH FLORIDA Cultivated Status: Cultivated

Comments: Ranked as possibly extirpated in the wild in Rare Plants of South Florida (Gann et al. 2002, page 173), but collected in Charlotte County in 2005 (Kunzer 995 USF). For images, click on the Atlas of Florida Vascular Plants link below.

Other data on Silphium asteriscus available from :


Silphium asteriscus has been found in the following 2 counties :
Occurrence Native Status
Charlotte County Native
Lee County Possibly Extirpated Possibly Extirpated

Silphium asteriscus has been found in the following 2 habitats :
Prairie Hammock
Wet Flatwoods

All Images:

Silphium asteriscus
Copyright by: George D. Gann, 2017
In cultivation by Green Isle Gardens, Florida
Silphium asteriscus
Copyright by: USF Herbarium (Kunzer 995 USF).