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Taxon  Report  
Calochortus clavatus  S. Watson  var. clavatus 
Club haired mariposa lily,   Clubhair mariposa lily
Calochortus clavatus var. clavatus is a perennial herb (bulb) that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 4.3 (limited distribution).
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
Observation Search
~153 records in California
yellowone or more occurrences
within a 7.5-minute quadrangle
DJJJASONAFMM

Bloom Period
Parent: Calochortus clavatus
Genus: Calochortus
Family: Liliaceae  
Category: angiosperm  
PLANTS group:Monocot
Jepson eFlora section: monocot

Ultramafic affinity: 4.5 - broad endemic

Communities: Foothill Woodland, Chaparral, Valley Grassland

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
JEFCalochortus clavatus ssp. clavatus
Information about  Calochortus clavatus var. clavatus from other sources
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora

USDA PLANTS Profile (CACLC2)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

[Wikipedia] Description: Calochortus clavatus is a species of mariposa lily known by the common name clubhair mariposa lily. It is endemic to California where it is found in forests and on chaparral slopes.[1] Description The Calochortus clavatus lily produces tall stems up to 1 metre (3.3 ft) in height and only basal leaves.[2] Atop the stem is a lily bloom with sepals up to 4 centimeters long. The petals are up to 5 centimeters long and yellow with a darker line or series of bands near the base, which are often red. The cup of the flower is filled with hairs which have clubbed ends. The anthers are often deep purple.[2] The capsule fruit is up to 9 centimeters long.[2] Varieties of Calochortus clavatus include:[1][3] Calochortus clavatus var. clavatus ? [5] (contributed by Mary Ann Machi)


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 04/24/2024).