The content of this article is taken from the book: Blauer Mais und rote Kartoffel. Ein kleine Kulturgeschichte bekannten und weniger bekannter Kulturpflanzen. Published by Natur und Text, Rangsdorf, 2019. ISBN 978-3-942062-34-3. The main part of the book presents 42 food plants (from amaranth to sugar ear) and a further 25 lesser-known food plants (from achira to yam bean). The individual plant portraits are organized as follows: Domestication and distribution, botany, cultural history, art, cultivation, consumption, medicine and recipes. Examples of the use and importance of food plants in indigenous societies are illustrated in the plant portraits. Maps, illustrations and directories complete the text.