Gethylus species unidentified

An unidentified species of Gethylus or related genus.  Gethylus is a genus of about 32 species of deciduous, bulbous perennials from southern Africa.  Summer flowering, the flowers are usually quite simple, cream or pale to deep pink, usually scented, with a long, cylindrical, slender perianth tube and 6 spreading tepals, narrowly to broadly lanceolate.  The flowers are usually followed by the strap-shaped leaves which are often spiralling.  [CECB].

The illustration used here is Gethyllus spiralis (Thunb.) Thunb.