Taxon  Report   7735    
Sphenopholis obtusata  (Michx.) Scribn.
Prairie wedge grass,  Prairie wedgescale, Wedgegrass
Sphenopholis obtusata
© 2009 Steve Matson
Photos from
CalPhotos / Calflora
Sphenopholis obtusata, a monocot, is a perennial grass that is native to California, is also found elsewhere in North America and beyond, (questionable).
California Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common elsewhere).   8th Edition

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Sphenopholis obtusata
© 2008 Dean Wm. Taylor, Ph.D.
Family: POACEAE  
Genus: Sphenopholis
Communities: Foothill Woodland, wetland-riparian

Wetlands: Equally likely to occur in wetlands and non wetlands

Habitat: meadows

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
PLANTS: Aira obtusata
PLANTS: Sphenopholis obtusata var. lobata
PLANTS: Sphenopholis obtusata var. pubescens
More information about  Sphenopholis obtusata
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 21, 2019).