Heliophila juncea grows erect racemes that may bear many small flowers. The flower of Heliophila juncea has four elliptic to slightly obovate petals. Flower colour is pink, purple or white. A dark, blue-purple colour is assumed by the petals early during their elongation and retained to just before they reach their full length. This shade lightens gradually, giving way to a paler hue when floral maturity arrives. The corolla remains white just above the calyx for some time.