...then they changed what "it" was.

I've just done a video on monocots:

and dicots:

and am in the process of uploading it.  The problem with this is that the division is now old hat and outmoded because there was a massive great revolution in the classification of plants resulting from genome sequencing a couple of decades back.

This is what happens when you get old:  they change reality without asking you.  They did it in nuclear physics as well when they did the whole supersymmetry thing, although that's on the way out now apparently.  Also, they renamed many of the satellites of Jupiter for no apparent reason, and so on.  There are trends in science, and if you live long enough you get to experience them.

Anyway, that's tomorrow's video.  Yesterday's is here, and is about hypergraphia: