The obovate to spathulate leaves form a basal rosettes around the stem.

Inflorescences are unbranched racemes and produce flowers that are violet with white at the base and bloom from June to August in their native range.

The description of S. ceratophorum given by Rica Erickson in 1958 noted that the corolla colour is either orange or mauve with a white throat.

All other descriptions and observations of S. ceratophorum have only included colours such as golden-yellow (from dried specimens) or orange in their descriptions of flower colour, indicating that Erickson may have also seen S. longicornu in the field, however this would represent a range expansion beyond where Carlquist had observed it, which he postulated was possible.

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