I'm pretty sure this is trumpet vine. I've a found few topics on it but it wasn't real clear about if it is ok to feed ,has anyone else given it to their tort
It certainly could be but I would need to see the foliage. Is it any of the obvious leaves in the photo? I don't see anything that looks quite right, leaf wise. Maybe on the lower right corner?
Poison Part:
Leaves, flowers.
Poison Delivery Mode:
Dermatitis, ingestion
Symptoms:
Skin irritation with redness and swelling
Toxic Principle:
Unidentified
Severity:
CAUSES ONLY LOW TOXICITY IF EATEN. SKIN IRRITATION MINOR OR LASTING ONLY FOR A FEW MINUTES.