Is it a native? 
  Morning Glory - introduced - (*Ipomoea indica)
 
Family: Convolvulaceae (Convolvulus family). 
Native to tropical regions.
Occurrence: Uncommon. Probably too cold or dry for it to thrive in Central Victoria.
Identification:
- it is a rampant climber
- the intense blue flowers are large and funnel-shaped.
Photos: Morning Glory. Garden specimen, Castlemaine.
