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Taxon  Report  
Centromadia pungens  (Hook. & Arn.) Greene  ssp. laevis  (D. D. Keck) B. G. Baldwin
Smooth tarplant
Centromadia pungens ssp. laevis is an annual herb that is native to California, and endemic (limited) to California.
also called Hemizonia pungens ssp. laevis
California Rare Plant Rank: 1B.1 (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
~304 records in California
yellowone or more occurrences
within a 7.5-minute quadrangle
DJJJASONAFMM

Bloom Period
Parent: Centromadia pungens
Genus: Centromadia
Family: Asteraceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Wetlands:
Arid West: Equally likely to occur in wetlands and non wetlands
Mountains, Valleys and Coast: Occurs in non wetlands

Habitat: riparian, meadows, playas

Communities: Shadscale Scrub, Alkali Sink, Valley Grassland

Name Status:
Accepted by JEF + CNPS + PLANTS
Alternate Names:
PLANTSHemizonia laevis
JEF + CNPS + PLANTSHemizonia pungens ssp. laevis
Information about  Centromadia pungens ssp. laevis from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (CEPUL)

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Google Images

Photos on iNaturalist

ID Tips on PlantID.net


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: 05/18/2025).