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Taxon  Report  
Leptosiphon serrulatus  (Greene) J. M. Porter & L. A. Johnson
Madera leptosiphon
Leptosiphon serrulatus is an annual herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).
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
~56 records in California
yellowone or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Genus: Leptosiphon
Family: Polemoniaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Communities: Yellow Pine Forest, Foothill Woodland
Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
JEF + CNPS + PLANTSLinanthus serrulatus
Information about  Leptosiphon serrulatus from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora


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[Wikipedia] Rarity, Habitat, Range, Description: Leptosiphon serrulatus (syn. Linanthus serrulatus) is a rare species of flowering plant in the phlox family known by the common name Madera linanthus. It is endemic to California, where it is known from the chaparral and woodlands in the Sierra Nevada foothills, from Madera to Kern Counties. Description Leptosiphon serrulatus is a plant of woodlands, chaparral, and yellow pine forests. It is a small annual herb producing a thin, hairy stem up to about 18 centimeters tall. The leaves are divided into linear lobes up to a centimeter in length. The inflorescence is a head of small flowers, each with a purplish tube almost a centimeter long and a white corolla. (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: 05/19/2024).