Brassicaceae

Star-mustard

Coincya monensis (L.) Greuter & Burdet

Family: Brassicaceae
Genus: Coincya

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Star-mustard (Coincya monensis) — FlowerPhoto: Ken Clark, CC BY 4.0, from iNaturalist

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Common names

By language (6)

Dutch: Muurbloemmosterd
English: Star-mustard
Finnish: Lakkanokkasinappi
German: Echter Lacksenf, Schnabelsenf
hsb: Žołty žonop
Swedish: Lacksenap/brittsenap

Synonyms

Brassica humilis f. saxatilis (Lam.) Coss.
Erucastrum monense Link

Flowers

In flower: May to July (from 199 flowering iNaturalist observations worldwide)

Characteristics

Growth habit: Forb/herb
Lifespan: Annual, Perennial
In the US and Canada: Lower 48 states: introduced

Photos

FlowerPhoto: Ken Clark, CC BY 4.0, from iNaturalist
FlowerPhoto: Steven Cross, CC0, from iNaturalist
FlowerPhoto: Carminda Santos, CC BY 4.0, from iNaturalist
FlowerPhoto: Yves Bas, CC BY 4.0, from iNaturalist
Photo: Steve Cross, CC0, from iNaturalist
Photo: Marie PORTAS, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Schultz, CC0, from iNaturalist
Photo: Marie PORTAS, CC BY-SA 2.0, from Wikimedia Commons
Photo: pete_gateley, CC0, from iNaturalist
Photo: Marie PORTAS, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Schultz, CC0, from iNaturalist
Photo: Marie PORTAS, CC BY-SA 2.0, from Wikimedia Commons

More in Coincya

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.