Youngia japonica ?

SK1415 06 Sep 2018 : 7 posts by 4 authors. Attachments (3) - around 600 kb each.
Location: Victoria Peak, Hong Kong 
Date: 12 August 2018
Elevation: 1300 ft.
Habit : Wild  

Asteraceae or Solanum?  
any fruits? flowers? buds? hair, prickly projections. did you touch it. was it prickly or velvety. any surrounding colony of the same plant?
Sorry I did not ! 
This could be Youngia may be japonica.