植しょく物ぶつ生せい態たい学がくしょくぶつせいたいがくMeanings1nounplant ecologyAcademic field studying the relationships between plants and their environment.彼かれは大だい学がくで植しょく物ぶつ生せい態たい学がくを専せん攻こうしている。He is majoring in plant ecology at university.