@Baja_Costero, I have a question. You mention in your comment regarding the Pachypodium windsorii/ Pachypodium baronii var. windsorii that this is the only Pachypodium species with red flowers. I have a “regular” Pachypodium baronii, which is somewhat different in growth habit and, I need to see the blooms now next to each other to discern differences, which I would think there are some?
Unfortunately I didn't snap any pictures of my good size baronii this Summer, it was blooming all Summer on the deck and it is now dropping leaves and going dormant. Here is a not so hot picture of that plant right now, hopefully good enough to see.
(And the now dormant, much smaller windsorii. )