Finger Lime
Citrus australasica, the Australian finger lime or caviar lime, is a thorny understorey shrub or small tree of lowland subtropical rainforest and rainforest in the coastal border region of Queensland and New South Wales, Australia.
It has edible fruits which are under development as a commercial crop.
According to the Swingle system it is not part of the genus Citrus, but in a related genus Microcitrus.