Australia has a parasite believed to be the largest in the world, a tree whose greedy roots stab victims up to 110m away. The Christmas tree (Nuytsia floribunda) has blades for slicing into the roots ...

WA's bright orange Christmas tree thrives because of temperature, not rainfall, according to new research, giving valuable insight into the future conservation of the world's largest parasitic plant.

The 15-metre-high Big Orange opened near Berri in South Australia in 1980 and was a destination of choice for travellers visiting the region. But profits eventually started to fall and the decade ...