Sonchus fruticosus

Sonchus fruticosus, the giant sow thistle, is a species of flowering plant in the tribe Cichorieae of the family Asteraceae. It is endemic to the islands of Madeira. The giant sow thistle is an impressive shrub native to the Madeiran evergreen forest habitat and growing up to 4 metres (13 feet) in height. It is also known as the shrubby sonchus, the shrubby sow thistle, or the Madeiran tree dandelion in English. On Madeira, it is known by the Portuguese vernacular names Leituga, língua de vaca, and serralha da rocha. The term leituga refers to a broad variety of plants, including prickly lettuce (Lactuca serriola) and cat's ear (Hypochaeris glabra)....read more on Wikipedia.