(25-11-2016, 08:29 PM)Koen Gh. wrote: You are not allowed to view links. Register or Login to view.Linda: could be, though if one were primarily interested in the nut, I'd guess they'd know it's a nut. Still you may be right that they saw it as having this shape. It still is one of the better explanations so far in my opinion.
The other thought I had was perhaps it wasn't a leaf drawn at all, but an indication of the "pop" of the opening of the sheath when ripe.