Yes, Ethnobotany has mazor role in what we eat today.
Ethnobotanical methods can show how different ethnic groups living within a particular habitat close to nature, they interact with it and use natural resources fostering resilience during periods of food insecurity. Ethnobotany also contributes to dietary diversity and sustained income.
The interrelations between humans and plants has always been given, and the main purpose was food safety and health; However, current use of the term implies the study of indigenous or traditional knowledge of plants, for example in the plant classification, cultivation, and use as food, medicine and shelter. Especially in several developing countries with a high indigenous population, such as in Latin America: Bolivia, Guatemala, Mexico, this knowledge is essential for the food security of poor families.