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San Joaquin Valley Orcutt Grass
Orcuttia inaequalis
About San Joaquin Valley Orcutt Grass (Orcuttia inaequalis) 0 Nurseries Carry This Plant Orcuttia inaequalis is a rare species of grass known by the common name San Joaquin Valley Orcutt grass. It is endemic to the Central Valley of California, where it grows only in vernal pools, a rare and declining type of habitat. Many known occurrences of the plant have been extirpated as land in the heavily agricultural Central Valley has been altered, and it was federally listed as a threatened species in 1997. Orcuttia inaequalis is a small, hairy, gray-green annual bunchgrass forming tufts or mats up to about 15 centimeters tall. The fluffy, clustered inflorescence is a dense, headlike mass of spikelets, the characteristic that separates this Orcutt grass from the others, which have more spreading inflorescences.
Plant Description
Plant Type
Plant Type

5.9 in tall

Flower Color
Flower Color

Landscaping Information
Natural Setting
Annual Precipitation: 11.0" - 22.3", Summer Precipitation: 0.17" - 0.37", Coldest Month: 47.5" - 50.5", Hottest Month: 74.8" - 77.3", Humidity: 1.98" - 24.94", Elevation: 146" - 1422"

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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