Because it has a wingtip.
There's not a term for a wingtip without a medallion, maybe because a good English shoemaker in the 1930s wouldn't have made one...
That's spitballin', though. Not certain. That kind of shoe kind of falls through the taxonomic cracks.
I'm afraid I have to disagree with RTC: that's not a micro houndstooth. I'm not sure what it is, though, so this is kind of not a very helpful post.
Really? I have a canali jacket like that and was told it was micro houndstooth slash puppytooth.