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California Grass Of Parnassus
Parnassia palustris
  
About California Grass Of Parnassus (Parnassia palustris) 0 Nurseries Carry This Plant Parnassia californica is a species of flowering plant in the small plant family Parnassiaceae known by the common name California Grass of Parnassus. It is native to the mountains of Oregon, California, and Nevada, where it grows in moist areas such as meadows and streambanks. It is a perennial herb producing an erect flowering stem from a patch of basal leaves. The leaf is up to 14 centimeters long with an oval or spoon-shaped blade at the end of a long petiole. The flower cluster may be nearly half a meter tall and consists of a mostly naked peduncle with one leaf midway up. The single flower has five small sepals behind five veined white petals each 1 to 2 centimeters long. At the center of the flower are five stamens and five staminodes with fringes of many hairlike, sphere-tipped lobes.
Plant Description
Plant Type
Plant Type
Perennial herb

Size
Size
0.5 - 2.2 ft tall

Form
Form
Upright

Growth Rate
Growth Rate
Moderate

Flower Color
Flower Color
White

Flowering Season
Flowering Season
Summer

Landscaping Information
Sun
Sun
Shade

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

Sunset Zones
Sunset Zones?
4*, 5*, 14, 15*, 16*, 17*

Natural Setting
Site Type
Site Type
Wet banks, meadows,

Climate
Climate
Annual Precipitation: 9.8" - 148.0", Summer Precipitation: 0.28" - 5.36", Coldest Month: 19.5" - 51.4", Hottest Month: 43.3" - 72.1", Humidity: 0.33" - 21.93", Elevation: 15" - 11937"

Alternative Names
Botanical Names: Parnassia californica
Common Names: California Grass-of-parnassus, Marsh Grass Of Parnassus


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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