Widespread perennial.

 

Identification

Has a taproot and broad leaves with very jagged edges. Produces a bright yellow flower that has a thick hollow unbranched stem.

 

Characteristics

Its roots have a strong reproductive ability. Pieces of root from as deep as 20 cm can grow into new plants, giving it the capacity to multiply as a result of cultivation. Can thrive in cattle pasture but is kept in check under sheep grazing.