Loasaceae
San Joaquin blazingstar
Mentzelia pectinata
- Family
- Loasaceae
- Genus
- Mentzelia
Pet and kid safety: not checked yet. Check pet-safe plants

Is yours looking unwell? Scan your plant — free
Common names
By language (1)
- English
- San Joaquin blazingstar
Synonyms
- Acrolasia pectinata (Kellogg) Rydb.
- Mentzelia albicaulis var. pectinata (Kellogg) Urb. & Gilg
- Mentzelia gracilenta var. pectinata (Kellogg) Jeps.
Flowers
- In flower
- March to April (from 51 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual
- In the US and Canada
- Lower 48 states: native
Photos

FlowerPhoto: Russ Namitz, CC0, from iNaturalist 
FlowerPhoto: Leah Gardner, CC0, from iNaturalist 
FlowerPhoto: paulexcoff, CC BY-SA 4.0, from iNaturalist 
FlowerPhoto: James Fowler, CC BY 4.0, from iNaturalist 
Photo: steveberardi, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Bill Bouton from San Luis Obispo, CA, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Alex Heyman, CC0, from iNaturalist 
Photo: Ken-ichi Ueda, CC BY 4.0, from iNaturalist 
Photo: Allison Gong, CC BY 4.0, from iNaturalist 
Photo: paulexcoff, CC BY-SA 4.0, from iNaturalist 
Photo: Matt Berger, CC BY 4.0, from iNaturalist 
Photo: laiet17, CC0, from iNaturalist
More in Mentzelia
- Smoothstem blazingstarMentzelia laevicaulisLoasaceae
- Lindley's blazingstarMentzelia lindleyiLoasaceae
- Tropical blazingstarMentzelia asperaLoasaceae
- Tenpetal blazingstarMentzelia decapetalaLoasaceae
- Whitebract blazingstarMentzelia involucrataLoasaceae
- Ash Meadows blazingstarMentzelia leucophyllaLoasaceae
- Adonis blazingstarMentzelia multifloraLoasaceae
- Dwarf mentzeliaMentzelia pumilaLoasaceae
- United blazingstarMentzelia congestaLoasaceae
- Bushy blazingstarMentzelia dispersaLoasaceae
- Grass blazingstarMentzelia gracilentaLoasaceae
- Mentzelia hispidaLoasaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.