He was a prolific artist, and all of his stuff was just as wonky and odd, with many details, that you can look at for a long time and see something new every time you look.
The interactive website is well worth visiting, too.
Looking at the website, I can just picture him with a variety of brushes and colors, delighting in tucking details in corners, and letting his imagination go wild.
Well, in exploring this painting on that website, I came across this exquisite little detail
Those disc shaped leaves caught me right up, and I grabbed my sketchbook. This is what I made:
It works better to start with the circles before adding the stems, and weighting the lines is important. I think it would make a really good filler.