Spinifex grass The prickly tough spinifex hummocks have great root systems that stop desert sands shifting. The hummock roots spread underground past the prickly clump and deeply in the soil, forming an huge cone. Anangu utilize a resin collected within the gummy spinifex to help make gum. #katatjuta #ulurukatatjutanationalpark #nationalparks https://manleyy840aaz6.vigilwiki.com/user