Petasites is a genus of herbs with leaves in the shape of a heart in the family Asteraceae. The common English name of petasites is Butterbur. Plants of this genus grow near rivers and other water places in Europe, Asia and North America.
Butterbur is used in medical purposes, but there is a poison in all parts of the plant.
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|Wikispecies has an entry on: Petasites|
- Germplasm Resources Information Network: Petasites
- ITIS: Petasites
- NCBI: Petasites
- Species of Petasites