no HD illustration available
2 787312 Physacanthus nematosiphon (Lindau) Rendle & Britton [80 494828 Haselhoffia nematosiphon Lindau]
J. Hutchinson, J.M. Dalziel, R.W.J. Keay, Fl. W. Trop. Afr., ed. 2, vol. 2 : p. 404, fig. 299 (1963) [S. Ross-Craig]
no thumbnail 350px available no thumbnail 200px available