Native Plants

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Helianthus radula

Helianthus radula (Pursh) Torr. & A. Gray

Rayless Sunflower

Asteraceae (Aster Family)

Synonym(s):

USDA Symbol: HERA

USDA Native Status: L48 (N)

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Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 3 feet tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: Yellow , Purple , Brown
Bloom Time: Sep , Oct , Nov

Distribution

USA: AL , FL , GA , LA , MS

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:	FAC

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Research Literature

Reslit 2427 - A Vegetation Classification of Fire-Dependent Pinelands of Florida (2010) Susan C. Carr, Kevin M. Robertson and Robert K. Pe...
Reslit 2449 - Common native wildflowers of North Florida (2002) J. G. Norcini

This information was provided by the Florida WIldflower Foundation.
Search More Titles in Research Literature

Additional resources

USDA: Find Helianthus radula in USDA Plants
FNA: Find Helianthus radula in the Flora of North America (if available)
Google: Search Google for Helianthus radula

Metadata

Record Modified: 2022-12-28
Research By: DEW

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