flat-top / hollow roots

[DG97EEB]

In this illustration from You are not allowed to view links. Register or Login to view. a tree is simplified in a way similar to that of many Voynich roots.
The caption says: Illustration from a work by Mariano di Jacopo Vanni, known as Taccola (15th Century), manuscript, 17th Century.

The manuscript seems XV Century to me, for what is worth.
According to Wikipedia, You are not allowed to view links. Register or Login to view. died in 1453 ca.

I find the Taccola example interesting. Notwithstanding the recent post around Taccola and power generators, his documents are fascinating. You are not allowed to view links. Register or Login to view.

What they actually show is how poorly drawn Voynich is for the period. Lots of pipes though...and dragons