Please refer to the clearer distinguishing features in the Flora of Vic. online Vicflora botanical key (than the Flora of NSW botanical key) : -> https://vicflora.rbg.vic.gov.au/flora/key/2326
Quotation: " 5 Twining shrubs; leaves mostly narrowly elliptic or ovate with flat or undulate margins; pedicels slender, pendulous or curving, 12–45 mm long in flower, often extending in fruit; ovary and fruit glabrous or rarely pubescent *Billardiera mutabilis*
5: Ascending shrubs; leaves c. oblong, usually with distinctly recurved margins; pedicels stout, erect or sometimes pendulous, up to 12 mm long in fruit; ovary and fruit densely villous *Billardiera scandens* " .