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Calochortus fimbriatus
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Weed's Mariposa Lily
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Calochortus fimbriatus

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About Weed's Mariposa Lily (Calochortus fimbriatus) Calochortus fimbriatus is a California species of flowering plant in the lily family known by the common name Late-blooming mariposa lily. It is native to the coastal mountain ranges of southern Monterey, San Luis Obispo, Santa Barbara and northern Ventura counties, where it is a member of the chaparral flora. Calochortus fimbriatus is a bulb-forming perennial herb producing a slender, branching stem 30 to 110 centimeters tall. There is a basal leaf up to 40 centimeters long which appears in January and withers long before the plant blooms in late June or early July. The bloom continues until mid-August. The inflorescence consists of 2 to 6 erect, bowl-shaped flowers. Each flower has three narrow sepals and three wider petals. The petals are usually tan or cream colored on the outside and yellowish on the inside with variable number of flecks of dark purple, and a coating of hairs on the inner surface and top rim. The fruit is a three-angled capsule. Calochortus fimbriatus blooms more vigorously the year after a wildfire.
Plant Description
Plant Type
Perennial herb

Max. Height
1 - 3.6 ft (0.3 - 1.1 m)

Flower Color
White, Red, Yellow, Cream, Brown

Native Status
Natural Setting
Site Type
Dry places with heavy or rocky soil


Elevation ?
392' - 6016'

Annual Precip. ?
18.3" - 48.0"

Summer Precip. ?
0.19" - 0.95"

Coldest Month ?
38.8° F - 53.9° F

Hottest Month ?
55.6° F - 77.3° F

Humidity ?
1.15 vpd - 23.98 vpd

Sunset Zones ?
7*, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

Landscaping Information
Nursery Availability
Rarely Available

Other Names
Botanical Names
Calochortus weedii var. vestus

Common Names
Late-blooming 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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