Knockout, narrow serrated leaves.
Hailing from the deep jungles of New Guinea, Alocasia lauterbaachiana, has knockout, narrow serrated leaves. Dark green on top and burgundy/ maroon underneath. When mature, a typical specimen is 3 to 4 feet high.
Give it rich soil, filtered sun and warm temperatures such as found in USDA zones 9 to 11 but dont let it freeze.