A batch of 251 seeds collected from a population of Ptilotus nobilis initiated into tissue culture on 22 Mar 2004. ‘Purity’ was identified as vigorous in tissue culture on 6 May 2004. After being maintained in tissue culture for approximately 20 subcultures, plantlets were deflasked on 19 Apr 2005 and grown in the nursery. Evaluation of six mature specimens was conducted on 13 Jul 2006. ‘Purity’ was selected for good plant form (upright stems and multiple branching) and pure green-cream inflorescence colour. Breeders: Margaret Johnston, Melinda Perkins, Dion Harrison, Daryl Joyce.