Sarcochilus hartmannii is a species in the Sarcochilus genus. It is commonly known as Waxy Sarcochilus, Blue Knob Orchid This name is accepted name for the species in the family Orchidaceae subfamily Epidendroideae, tribe Vandeae, subtribe Aeridinae, . It is in the section: Sarcochilus . This species is found in SE. Queensland to NE. New South Wales.