Xanthorrhoea thorntonii
Xanthorrhoea thorntonii, commonly known as Cundeelee grasstree, Cundeelee blackboy, desert grasstree, yacka or grasstree, is a species of grasstree of the genus Xanthorrhoea native to central Australia. It is known to the Pitjantjatjara people as kata-kultu, kata-puru, ulpa or urara, the Warlpiri people as yurlurnkuru and the Arrernte as lunkere.