I wish I could identify and use most plants like some of the elders (they’re not always elders of course) at least for culinary purposes. While they have conserved that empirical knowledge through traditional channels, others have studied on the mainland and now strive to reconnect it with modern, academic classification. An example https://journals.openedition.org/oceanindien/1770 This concerns medicinal uses, but there’s considerable overlap between food and medecine where plants are concerned.