Hardenbergia violacea syn. H. monophylla is a species of flowering plant in the pea family Fabaceae, native to Australia from Queensland to Tasmania. It is known in Australia by the common names false sarsaparilla, purple coral pea, happy wanderer, native lilac and waraburra (which comes from the Kattang language). Elsewhere it is also called vine lilac or lilac vine.
Clematis 'President' planted this year and possibly too early. Time will tell. Obtained from Van Zyverden. Update: Has grown 4 inches in spite of the cold weather we are having here. Doesn't seem to be bothered at all by the intense cold to hot switches. clb