Sonchus brassicifolius, synonym Dendroseris litoralis, is a species of flowering plant in the daisy and sunflower family Asteraceae.

It is native only to the tiny, volcanic Robinson Crusoe Island, home of the famed Juania australis and many other endemic plants.

[1] Younger trunks of Sonchus brassicifolius are ringed with pale leaf scars and distinctive rubbery, leathery leaves up to 46 centimetres (18 in) long.

It grows into a small, gnarled tree with several somewhat palm-like crowns of very large, ovate leaves on whitish, green-spotted leaf stalks and pendent inflorescences of bright orange, tassel-like 'flowers' (capitula).

[4][5] The very large leaves are edible and formed part of the diet of voluntary castaway Alexander Selkirk - the possible inspiration for Daniel Defoe's character Robinson Crusoe - during his sojourn on one of the Juan Fernandez Islands.