Calflora
Taxon  Report   7735    
Sphenopholis obtusata  (Michx.) Scribn.
Prairie wedge grass,  Prairie wedgescale, Wedgegrass
Sphenopholis obtusata
© 2008 Dean Wm. Taylor, Ph.D.
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).
CNPS Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common elsewhere).   8th Edition

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations



Bloom Period
Sphenopholis obtusata
© 2009 Steve Matson
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 PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation

USDA PLANTS Profile (SPOB)

Search the International Plants Names Index

Search efloras.org (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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available: https://www.calflora.org/   (Accessed: Nov 14, 2018).

The information on this page comes from diverse sources. None of the links are sponsored.