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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Sphenopholis obtusata

Sphenopholis obtusata (Michx.) Scribn.

Prairie Wedgescale

Poaceae (Grass Family)

Synonym(s): Aira obtusata, Sphenopholis obtusata var. lobata, Sphenopholis obtusata var. pubescens

USDA Symbol: SPOB

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

 

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Plant Characteristics

Duration: Annual
Habit: Grass/Grass-like
Root Type: Fibrous
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Venation: Parallel
Fruit Type: Caryopsis
Size Notes: Up to about 4 feet tall.
Leaf: Green

Bloom Information

Bloom Color: Green
Bloom Time: Mar , Apr , May

Distribution

USA: AL , AR , AZ , CA , CO , CT , DC , DE , FL , GA , HI , IA , ID , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MS , MT , NC , ND , NE , NH , NJ , NM , NV , NY , OH , OK , OR , PA , RI , SC , SD , TN , TX , UT , VA , VT , WA , WI , WV , WY
Canada: NB

Growing Conditions

Water Use: Medium
Light Requirement: Part Shade
CaCO3 Tolerance: Medium

National Wetland Indicator Status

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
Status: FAC FAC FAC FAC UPL FAC FAC 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.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

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

Metadata

Record Modified: 2023-01-30
Research By: TWC Staff

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