ORCHIDACEAE: THE LADY SLIPPER ORCHIDS – Paphiopedilum primulinum M.W.Wood & P.Taylor from WOC, Singapore: Paphiopedilum primulinum M.W.Wood & P.Taylor, Orchid Rev. 81: 220 (1973).
Family: Orchidaceae
Distribution: Endemic to Sumatera
Pic taken at WOC, Singapore

Orchids seen at the Conservatory in ABG during my visit in October, 2018. 

Paphiopedilum primulinum ??

Looks like Paphiopedilum primulinum.