Q.Identify a Hanging Succulent Plant
The plant has bright green tubular, segmented leaves (modified stems?), similar to an Allocasuarina leaf although thicker and fleshier.
It exudes a milky, white sap when cut. No flowers observed over many years. The many segmented leaves trail for a couple of metres.
Certified GKH Gardening Expert
It sounds like it is a variety of Rhipsalis, perhaps Rhipsalis Species Pendent.