What is "allosyncarpia"

Allosyncarpia ternata, commonly known as An-binik, is a species of rainforest trees constituting part of the botanical family Myrtaceae and included in the Eucalypts group. It is the only species described in its genus Allosyncarpia, in 1981 by Stanley Blake of the Queensland Herbarium. They grow naturally into large, spreading, shady trees, found only (endemic) in the Northern Territory of Australia. They grow in sandstone gorges along creeks emerging from the Arnhem Land plateau.