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Taxon  Report  
Oxystylis lutea  Torr. & Frém.
Spiny caper
Oxystylis lutea is an annual herb that is native to California, and found only slightly beyond California borders.
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
DJJJASONAFMM

Bloom Period
Genus: Oxystylis
Family: Cleomaceae  
(Capparaceae)
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Communities: Creosote Bush Scrub, Alkali Sink
Name Status:
Accepted by PLANTS + POWO
Alternate Names:
JEFCleomella oxystyloides
Information about  Oxystylis lutea from other sources
Nursery availability from CNPLX
Commercial availability unknown.
USDA PLANTS Profile (OXLU)

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Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 05/15/2025).