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Panicum rigidulum

Panicum rigidulum Bosc ex Nees

Redtop Panicgrass, Redtop Panic Grass

Poaceae (Grass Family)

Synonym(s):

USDA Symbol: PARI4

USDA Native Status: L48 (N), PR (N), CAN (N)

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Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Root Type: Fibrous
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Venation: Parallel
Fruit Type: Caryopsis
Size Notes: Up to about 5 feet tall.
Leaf: Green

Bloom Information

Bloom Color: Green , Purple
Bloom Time: Jul , Aug , Sep , Oct
Bloom Notes: Flowers inconspicuous. Bloom color refers to spikelets. Bloom time refers to fruiting period.

Distribution

USA: AL , AR , CT , DC , DE , FL , GA , IL , IN , KS , KY , LA , MA , MD , ME , MI , MO , MS , NC , NH , NJ , NY , OH , OK , OR , PA , RI , SC , TN , TX , VA , VT , WI , WV
Canada: BC , NS , ON

Growing Conditions

Water Use: High
Light Requirement: Sun
CaCO3 Tolerance: Medium

National Wetland Indicator Status

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

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 57 - Atlas of Florida Plants (2020) Institute for Systematic Botany
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

Research Literature

Reslit 1153 - Impact of a Horizontally Transmitted Endophyte, Balansia Henningsiana, on Growth and Drought Tolerance of Panicum rigidulum (2009) A. Z. Ren and K. Clayy

This information was provided by the Florida WIldflower Foundation.
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Additional resources

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

Metadata

Record Modified: 2023-06-07
Research By: TWC Staff

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