Type

Queensland. Gregory South District: 4 km (direct) NNW of 'Trinidad' Homestead, E of Windorah, 1 September 2010, A.R.Bean 30219 (holo: BRI; iso: CANB, K, MEL, NSW).

Type

Queensland. Gregory South District: 4 km (direct) NNW of 'Trinidad' Homestead, E of Windorah, 1 September 2010, A.R.Bean 30219 (holo: BRI; iso: CANB, K, MEL, NSW).

Etymology

"From the Latin <i>impervius</i> meaning impassable. This is in reference to the very spiny nature of the plant, making it impervious to human touch and impassable to human traffic."