S. difficilis has purple flowers and very light green, long, pointed leaves which tend to be spooned . Leaf stems tend to grow upward, instead of outward, as would be characteristic of the rosette form. While this may not necessarily be true, its very light green leaves, which cup upwards, can give the impression of poor culture. First recorded discovery in the Usambara Mountains . Small plant with very pale blue flowers and serrated , dark green leaves.
Growth habit is most often rosette .
First recorded discovery in the Usambara Mountains . One of the 20 confirmed species of Saintpaulia . Small trailer with numerous crowns . S. goetziana has white or very pale blue flowers and small, round, dark green leaves. First recorded discovery in the Uluguru Mountains of eastern Tanzania.