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Prairie Wedge Grass
Sphenopholis obtusata
  
About Prairie Wedge Grass (Sphenopholis obtusata) 0 Nurseries Carry This Plant Sphenopholis obtusata is a species of grass known by the common names prairie wedgescale and prairie wedge grass. It is native to North America where it is widespread across southern Canada and the United States. It occurs in many types of habitat, including prairie, marshes, dunes, and disturbed areas. Sphenopholis obtusata is a perennial bunchgrass growing 20 centimeters to well over one meter in maximum height. The short leaves have ligules with jagged tips. The inflorescence is generally a dense, spikelike panicle of oval-shaped spikelets. The inflorescence is greenish white, darkening brownish as it matures.
Plant Description
Plant Type
Plant Type
Grasses

Size
Size
0.7 - 3.2 ft tall

Form
Form
Upright

Growth Rate
Growth Rate
Moderate

Flower Color
Flower Color
Green, White

Flowering Season
Flowering Season
Spring

Landscaping Information
Soil Description
Soil Description
Prefers loamy or clay soils. Grows poorly in sandy soils.

Natural Setting
Climate
Climate
Annual Precipitation: 5.7" - 38.5", Summer Precipitation: 0.20" - 2.08", Coldest Month: 25.5" - 52.0", Hottest Month: 49.4" - 79.6", Humidity: 1.16" - 26.29", Elevation: 73" - 9570"

Alternative Names
Common Names: Prairie Wedgescale


Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora


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