Camden Park hybrid.  (Gladiolus carneus x G. colvilli) x Gladiolus x colvilli hybrid.  Bidwill described it to Edward Macarthur Bowman: ‘The only other one we named is a very singular Blandus-colvilli, tall and strong its flowers will [word indistinct, probably look] almost exactly like Blandus (most of this cross are dark) except that it has a bright red spot in the lower petals.  This we have called Isabella.  There are a great many others but they are not sufficiently distinct to name.’  [MP A4297 p.23].