What is "amorphospermum"

Amorphospermum is a genus of plants in the Sapotaceae family described as a genus in 1870.

There is only one accepted species, Amorphospermum antilogum, native to Queensland, New South Wales, and Papua New Guinea.

now in other genera: Elaeoluma Englerophytum Niemeyera Pycnandra Synsepalum