They are mildly sweet, it doesn't feel oily at all, but it's still creamy. The seed is oily and I'm almost certain it was used to make soaps in the past
The trees around here are still small, maybe poor soil or stress from traffic? But they can get bigger and reach up to 20 m
The outer skin is quite astringent if you eat it right after picking them up. It's usually recommended to let them sit for a day or two so it gets rugged and the astringency disappears