Papilionanthe teres 'Andersonii', a truly historic cultivar now genetically determined by DNA sequence analysis to be the actual seed parent of Ple. Miss Joaquim 'Agnes', Singapore's national flower." (Emrys Chew)
Papilionanthe teres is accepted species in
the family Orchidaceae
subfamily: Epidendroideae,
tribe: Vandeae,
subtribe: Aeridinae,
Genus Papilionanthe 
Infraspecific taxa recognized within Papilionanthe teres:
infraspecific taxa This species is found in Nepal to China (S. Yunnan) to Indo-China.