Not in any botany book I ever saw.

How about Trees of Southern Africa by Palgrave?
And another book of the same name by Palmer & Pitman. The reason you don't
often see it descibed in serious botanical books is that once the botanist
starts writing about it, he can't stop laughing.

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)