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Cedars Fairy-lantern Back to Plant Page
Calochortus raichei

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About Cedars Fairy-lantern (Calochortus raichei) Calochortus raichei is a rare species of flowering plant in the lily family known by the common name Cedars fairy-lantern, or Cedars mariposa lily. It is endemic to Sonoma County, California, where it is known only from The Cedars, an unincorporated area outside Guerneville north of Cazadero, just west of Austin Creek State Recreation Area. The species is named for botanist Roger Raiche, who first identified it as a distinct species in 1987. It is limited to the serpentine soil on the banks of the Big Austin Creek in this isolated area. Calochortus raichei is a perennial herb producing a stem which can be quite tall for a mariposa lily, reaching a meter in height. The basal leaf is up to 40 centimeters long and does not wither at flowering; there may be smaller leaves farther up the stem. The herbage of the plant is generally very waxy in texture. The inflorescence bears one or two nodding flowers, spherical in shape with their petal tips touching. The three sepals are about 2 centimeters long and dull red to greenish, and the three petals about 4 centimeters in length and yellow, often with darker tinting. The petals are coated inside and fringed with hairs. The fruit is an angled capsule around 3 centimeters long containing several brown seeds.
Plant Description
Plant Type
Perennial herb

Flower Color
Yellow, Green, Red

Native Status
Natural Setting
Elevation ?
939' - 1921'

Annual Precip. ?
58.7" - 71.0"

Summer Precip. ?
0.46" - 0.71"

Coldest Month ?
47.7° F - 49.1° F

Hottest Month ?
68.4° F - 70.3° F

Humidity ?
2.19 vpd - 17.11 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Cedars Mariposa Lily

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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