This taxon name is not current. The available references for this name are:
Hybanthus aurantiacus (Benth.) F.Muell. is more recently known as Afrohybanthus aurantiacus (Benth.) Flicker
Reason See B.J. Flicker & H.E. Ballard in Phytotaxa 230:44 (2015)
See also: A longer explanation of these and other terms in our Plant Names Primer.
A taxon name that is no longer current will retain its ‘Threatened’, ‘Extinct’, or ‘Extinct in the Wild’ status until a new name has been published in a Biodiversity Conservation Order.