Dendrobium rhodostictum (species)
This small to medium sized, warm to cool growing species originates from eastern New Guinea to Bougainville Island and is found at elevations of 800-1200 meters on trees in montane rainforests or as a terrestrial on steep wet moss covered slopes.  
It is a small sized, cool to warm growing species and should never be allowed to dry out, regular daily waterings are best and they can be mounted on tree fern or grown in pots with a porous well draining media.