Xref: 127.0.0.1 sci.bio.botany:21192

They're dry drupes. Walnuts resemble fleshy green billiard balls when
they fall off the tree. BRBR

Then which are the true nuts?
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)