Englerarum montanum (syn. Alocasia gageana), the dwarf upright elephant ear or dwarf taro, is a species of flowering plant in the family Araceae. The sole member of its genus, Englerarum, it is a perennial native to Laos, Thailand, the Kachin Hills of Myanmar, and southwestern Yunnan in south-central China.
Reaching , it is only a dwarf when compared to the giant upright elephant ear Alocasia odora or to taro (Colocasia esculenta). It makes for a large houseplant, or an outdoor ornamental plant in tropical or (nearly) frost-free subtropical areas (USDA zone 9b or warmer).
Hybrids With Alocasia odora it is a parent of the so-called Persian palm, Alocasia 'Calidora', which would be better called Alocasia × calidora.
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