Tansy Ragwort

LScott (ISCBC)

Plant Bio

Common Name:Tansy ragwort
Family:Asteraceae
Genus:Senecio
Species:jacobaea
Classification/Rank:Very Invasive
Method of Transportation:Spreads mainly by seed dispersal by wind, within 10 m of the original infestation, but seeds can be transported in soil carried on equipment and vehicles, as well as by people and livestock.
Habitat/Range:• one large site reported on Haida Gwaii. • several sites reported in the PG and Robson Valley IPMAs in 2006

Description

• biennial or short lived perennial herb from taproot; grows 0.2 to to 1.0 m tall
• stems erect, solitary or several branched above, sparsely to densely white woolly-hairy
• basal leaves broadly lance shaped, stalked, 2 to 3 times pinnately cut, smooth; stem leaves similar, reduced upwards becoming unstalked
• flowers yellow; several to numerous clusters

News

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posted: July 14, 2017
Attend the BC Northern Exhibition for free!

The Northwest Invasive Plant Council will have an Information Booth at this year's BCNE, and we're looking for volunteers to help out.

You...

posted: July 7, 2017
Invaders! Invasive Species in BC

Watch this short video from the Province about invasive species and their impacts on BC - Invaders! Invasive Species in BC