Leucocasia gigantea

(Blume) Schott 1857

This species is native from Myanmar through South China to Malaysia and Vietnam.
The leaf blades may be 160 cm long. The spathe is white.

The photos below show the cultivar 'Giant Thai Strain'

photo (1-13) © Taylor Holzer

The IAS: Colocasia gigantea, Leucocasia gigantea Brian's Botanicals: Colocasia gigantea Tropicos: Leucocasia gigantea CATE Araceae: Leucocasia gigantea