Pachypodium bispinosum (Apocynaceae)

Photographer: Howard, R.A.

© Copyright 2008 Smithsonian Institution

This amazing shrublet is from either Madagascar or South Africa, depending on who you ask. Also, it’s really P. succulentem, depending on who you ask.

But those flowers are so nifty. It gets about 4 ft. tall, and this specimen isn’t there yet; much more sprawling than most caudiciforms.