Brassicaceae
Rockmustard
Dryopetalon runcinatum
- Family
- Brassicaceae
- Genus
- Dryopetalon
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Common names
By language (1)
- English
- Rockmustard
Synonyms
- Coelophragmus umbrosus O.E.Schulz
- Dryopetalon runcinatum var. laxiflorum Rollins
- Dryopetalon runcinatum var. runcinatum A. Gray
- Sisymbrium umbrosum B.L.Rob.
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Biennial, Perennial
- In the US and Canada
- Lower 48 states: native
Photos

Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons
More in Dryopetalon
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.