Which genus has more species, Echium or Ptilotus?
Ptilotus:  All species are native to mainland Australia, although one species, "Ptilotus spathulatus" (R.Br.) Ptilotus:  Poir., also occurs in Tasmania and another, "Ptilotus conicus" R.Br., in Malesia on the islands of Flores and Timor. Ptilotus:  An interactive key to the species of "Ptilotus" is available at KeyBase.
i don't know