Native Plants

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Cressler, Alan

Oxypolis rigidior

Oxypolis rigidior (L.) Raf.

Stiff Cowbane

Apiaceae (Carrot Family)

Synonym(s): Oxypolis longifolia, Oxypolis rigidior var. ambigua, Oxypolis rigidior var. longifolia, Oxypolis turgida

USDA Symbol: OXRI

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

From the Image Gallery

11 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Fruit Type: Schizocarp
Size Notes: Up to about 5 feet tall.

Bloom Information

Bloom Color: White , Pink
Bloom Time: Jul , Aug , Sep , Oct

Distribution

USA: AL , AR , DC , DE , FL , GA , IA , IL , IN , KY , LA , MD , MI , MN , MO , MS , NC , NJ , NY , OH , OK , PA , SC , TN , TX , VA , WI , WV
Canada: ON
Native Habitat: Wet Meadow/Prairie/Field,Swamp/Marsh

Growing Conditions

Light Requirement: Part Shade
Soil Moisture: Wet
Soil Description: Clay, Sand, Loam

Value to Beneficial Insects

Supports Conservation Biological Control

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

National Wetland Indicator Status

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

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.

Bibliography

Bibref 841 - Native Alternatives to Invasive Plants (2006) Burrell, C. C.

Search More Titles in Bibliography

Web Reference

Webref 57 - Atlas of Florida Plants (2020) Institute for Systematic Botany
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

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

Metadata

Record Modified: 2023-01-11
Research By: TWC Staff

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