If a fleshy fruit has several seeds with a stone endocarp, they would still
be called berries not drupes.

Can you give me an example?

1 seed = drupe, BRBR

That includes the avocado?
Iris,
Central NY, Zone 5a, Sunset Zone 40
"If we see light at the end of the tunnel, It's the light of the oncoming
train."
Robert Lowell (1917-1977)