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Warty Cabbage
Bunias orientalis
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Alien species
Warty Cabbage is a tall, yellow-flowered member of the cabbage family that often forms dense patches. It is easy to notice along roads, railways and other disturbed places. Its most distinctive feature is the small, hard, bumpy seed pods. Native to southeastern Europe, it has spread widely in Europe and to parts of North America.
Did you know?
- The name “Warty Cabbage” comes from its bumpy, wart-like seed pods.
- It can form dense stands and spread quickly along roadsides and railways.
About the species
Identification
A sturdy, rough-to-the-touch plant, usually 60–120 cm tall, often with several upright stems that branch near the top. Lower leaves are long with several side pieces and a much larger tip; upper leaves are narrower and usually uncut. Many small yellow flowers with four petals are held in branching clusters. After flowering it bears short, hard, lumpy pods like tiny warty balls that do not split open—unlike many other yellow mustards, which have long, thin pods. Flowers in Finland in June–July.
Plant group
Herbaceous plants
Habitat
yards and roadsides
Flowering
Jun–Jul
About the habitat
Prefers sunny, disturbed ground: roadsides, railways, waste areas, field edges and dry to fairly dry meadows around settlements and industrial sites. Common in southern Finland, rare in central Finland, and only occasional further north.
Sources
Photo: Константин Селивёрстов, CC BY 4.0 https://www.gbif.org/occurrence/6130397402
Text: Pinkka: Laaja maatalouslajintuntemus 4 op - Koppisiemeniset, CC BY 4.0 https://laji.fi/taxon/MX.38373
Text: Pinkka: IPS-177 Fennoscandian flora - Acer-Butomus, CC BY 4.0 https://laji.fi/taxon/MX.38373
Text: Pinkka: BIO-516 Hyötykasvit - Kotimaan villivihanneksia ja marjoja, CC BY 4.0 https://laji.fi/taxon/MX.38373
Text: Wikipedia (Finnish), CC BY-SA 4.0 https://fi.wikipedia.org/wiki/Ukonpalko
