The flowers of Spetaea lachenaliiflora do not always have white bands along the tepal margins, or very little of them.
The filaments are blue or white, maybe starting off blue and giving up on white again as they wither. Or the colour variability is driven by something else to near random, the uncertain investigation outcome of the small sample reporter! The six dark anthers attached to the filament tips in their middle parts are short, irregular, bilobed oblongs.
The white style is erect among the stamens, not taller than them and veering to the side. Its stigma is too small to be seen in the photo, unless the whitening counts (Manning, 2007; Bond and Goldblatt, 1984; iNaturalist).