Definition of ethnobotanic in English:

ethnobotanic

adjective

See ethnobotany

‘The living collections at Kahanu Garden focus on plants of the Pacific Islands, particularly those of ethnobotanic value to Hawaiians and other cultures of Polynesia, Micronesia, and Melanesia.’
‘Allan has travelled from the Ivory Coast to Madagascar and New Guinea, seeking plants which have a real or potential ethnobotanic use as food, medicine, fibre, dye or cosmetics.’