spineless caltrop
Tribulus micrococcus Domin

Tribulus micrococcus, known as spineless caltrop, is a species in the family Zygophyllaceae. It was described by Domin in 1926 and is native to Queensland.
Description
Tribulus micrococcus is a member of the Zygophyllaceae family and belongs to the genus Tribulus. It is commonly referred to as spineless caltrop in English. The species was first published in 1926 by Domin. It is naturally found in the region of Queensland.
Other common names
spineless caltropyellowvine
Distribution
Queensland