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Taxon  Report  
Leptosiphon bolanderi  (A. Gray) J.M. Porter & L.A. Johnson
Bolander's linanthus
Leptosiphon bolanderi is an annual herb that is native to California, and also found elsewhere in western North America.
also called Linanthus bolanderi
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: Leptosiphon
Family: Polemoniaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Ultramafic affinity: 1.3 - weak indicator / indifferent

Habitat: slopes

Communities: Yellow Pine Forest, Northern Oak Woodland, Foothill Woodland, Chaparral

Name Status:
Accepted by JEF + PLANTS + POWO
Alternate Names:
JEF + PLANTSLinanthus bakeri
JEF + PLANTSLinanthus bolanderi
Information about  Leptosiphon bolanderi from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (LEBO9)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

[burkeherbarium.org] Distribution, Habitat, Pollination: Distribution: Occurring east of the Cascades crest in the Columbia River Gorge in Washington; Klickitat County, Washington to California. Habitat: Dry, open places at lower elevations, often on serpentine. Flowers: April-May Origin: Native Growth Duration: Annual Conservation Status: Sensitive in Washington (WANHP) Pollination: Bees, flies, butterflies (link added 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]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 07/19/2025).