This south American introduction is a weed in its native habitat and invades waste places by the coast in the Canaries. It is sometimes used as a herbal medicine the whole plant being a palliative for rheumatism while the juice of the leaves can be used as an antiseptic.

Waste places by coast at Puerto de la Cruz, Tenerife 9th February 2009

Added 19th March 2009, updated 5th March 2010, updated 10th April 2014