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San Luis Obispo Mariposa Lily Back to Plant Page
Calochortus simulans

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About San Luis Obispo Mariposa Lily (Calochortus simulans) Calochortus simulans is a species of flowering plant in the lily family known by the common name San Luis Obispo mariposa lily, not to be confused with the San Luis mariposa lily C. obispoensis. It is native to San Luis Obispo County, California, and its range extends south into Santa Barbara County. It is a perennial herb producing a branching stem up to 60 centimeters tall. The basal leaf is 10 to 20 centimeters long and withers by flowering. The flower cluster is a loose cluster of 1 to 3 erect, bell-shaped flowers. Each flower has three curving sepals and three longer petals, each up to 5 centimeters long. The petals are white to yellow with a deep red spot at the base. The fruit is an angled capsule 5 or 6 centimeters in length.
Plant Description
Plant Type
Perennial herb

Max. Height
2 ft (0.6 m)

Flower Color
Pink, Yellow, White, Red

Native Status
Natural Setting
Site Type
Sandy places

Sun, Part Shade

Elevation ?
515' - 3155'

Annual Precip. ?
7.6" - 30.4"

Summer Precip. ?
0.26" - 0.44"

Coldest Month ?
40.5° F - 51.2° F

Hottest Month ?
69.1° F - 77.3° F

Humidity ?
1.08 vpd - 24.96 vpd


Landscaping Information
Nursery Availability
Never or Almost Never Available

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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