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Going through my list of tropical plants that look like crap (so far
Peperomia obtusifolia &
Syngonium podophyllum and an
Aglaonema 'Emerald Queen' which had tufts of leaves at the tips of long sprawling woody stems - it also had bugs so we decided it wasn't worth saving) was inevitably going to get me to this plant, one way or another.

This is the best looking section.
It is either an
Epiphyllum or something closely related. I'm going off leaves here alone as I've never seen it flower. The leaves are nothing to get excited about either.

Dry?
I suspect that the plant is not getting enough light, not getting enough water, and likely has terrible soil.

Long round stems give the whole plant a very sparse look. The stem begins to flatted towards the end.
The plant is very sparse. Unlike many
Epiphyllum pictures I've seen this seems to prefer to send out longer round stems with the "leaf-like" stems coming from those rather than the leafy stems coming from the pot or shorter round branches near the soil (effectively hidden by the flat stems). The flat stems are short. The plant also sends out long shoots which seem only to have aerial roots on them?

There's nothing but roots all along this stem. It's over 3' long (and may have kept growing if it hadn't dried out at the tip).
So... I'm not even sure where to start here. The soil's crappy so it needs to be repotted. At least the one decent looking branch does. There's another branch that could be cut back to make a decent looking second section and I've got another branch that apparently broke a while ago and was just hanging on by a tiny fiber. The part pictured above that looks good but on that long stem... Will that stem root? Could I just root that whole bit? And what's the deal with the stems with nothing but roots? Can I get rid of them? For soil well drained but fairly rich is what I'm reading online - regular potting soil + extra perlite? Bark?