The genus Senecio, with some 1000 species, is practically cosmopolitan.
At first sight a South African Euphorbia might be mistaken for a South American Cactus, an Aloe for an A gave, a Senecio for ivy, or a New Zealand Veronica for a European Salicornia.
The trees which form dense forest and scrub in southern Patagonia and in Fuegia are absent, and one of the largest plants on the islands is a gigantic woolly ragweed (Senecio candicans) which attains in some places a height of 3 to 4 ft..
How would you define senecio? Add your definition here.