Patersonia limbata is a tufted perennial herb that forms a rhizome and has glabrous, sword-shaped leaves long and wide with a thickened border about wide. The flowering scape is long and glabrous with two short, pale-coloured leaves. The outer tepals are violet, egg-shaped to round, up to long and wide, the hypanthiumtube about long and glabrous. Flowering occurs from September to October.