While on holidays, lazing about had time to look at some youtube videos that I have not had time to get around to.
Joseph Simcox did a talk about 10 years ago at a California Rare Fruit Group event and it is amazing as he talks about unique edible botanical plants. He is a botanical explorer and very knowledgable.
Here is the link of the first part, its split in three. Give him a few minutes to explain his background then prepare to be amazed.