in Los Angeles cactus and succulent show as a caudiciform plant. Listed there under Gonolobus.
Dark brown flowers appear over a long period.
Flower up close.
You can see the bulbous tuber it grows from.
Matelea cyclophyllus in October - This guy just started to leaf out again last June, and is a bit shy with the new growth. No flowers yet.
Close up of caudex
Los Angeles intercity show 2010 under synonym Gonolobus cyclophyllus
Got it two years ago.