Please check your Colocasia/Alocasia:
This is to draw your kind attention about the geus Steudnera.
At least one species has similar looking leaves to those of Alocasia – Colocasia plants – Plant illustration
Yes, … …., has drawn attention to this genus.
Thank you Sir, one more – S. griffithii – please check KEW: POWO
Steudnera virosa (Roxb.) Prain-POWO
Colocasia mannii Hook.f. – POWO
Steudnera discolor W.Bull ex T.Moore & Mast.- POWO