Lacinato kale

Lacinato kale (called cavolo nero, literally "black cabbage", in Italian and often in English) is a variety of kale with a long tradition in Italian cuisine, especially that of Tuscany. It is also known as Tuscan kale, Tuscan cabbage, Italian kale, dinosaur kale, black kale, flat back cabbage, palm tree kale, or black Tuscan palm.Lacinato kale has been grown in Tuscany for centuries,and is one of the traditional ingredients of minestrone and ribollita.
Description
Lacinato kale grows 60 to 90 centimetres (2 to 3 feet) tall and has dark blue-green leaves with an "embossed texture"; its taste is described as "slightly sweeter and more delicate ... than curly kale."The lacinato variety is sometimes called "dinosaur kale" because its bumpy leaves may resemble what dinosaur skin looked like.Because of its taste, "slightly bitter [and] earthy", it has been called "the darling of the culinary world".