Common Tansy (Tanacetum vulgare)
Common Tansy is an introduced, invasive plant, native to Europe and Asia. Leaves are arranged alternatively, finely compound. Flowers are button-like and yellow, blooming in mid August. Leaves and flowers are toxic.
| 🇫🇷 | Tanaisie |
| 🇩🇪 | Rainfarn |
| 🇲🇽 | Tanaceto, Tansi |
Taxonomy
| Order | Asterales |
| Family | Asteraceae |
How to Identify
The button-like, yellow flowers are the best characteristic to identify this flower.
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| Flowers | |
| Color | yellow |
| Shape | florets |
| Inflorescence | cyme |
| Leaves | |
| Arrangement | alternate |
| Petiole | short |
| Shape | pinnate |
| Margin | serrate |
Learn more about morphological characteristics of flowers here.
Where and When to Spot
It is an invasive plant and can be seen blooming in almost every park along pathways in mid, end August.
Flowering Records by Park and Season
| Location | Spring | Summer | Autumn | Winter |
|---|---|---|---|---|
| Belvédère Outremont | - | x | - | x |
| Champ des Possibles | - | x | - | - |
| Parc Bernard-Landry | - | - | x | - |
| Parc de la Frayère | - | x | - | - |
"x" indicates that the species was observed flowering, while "-" indicates no observation. The absence of observation doesn't necessarily imply that the species was not flowering. Data is derived from our park visit journals.