Papilionanthe teres orchid information,

Papilionanthe teres, (Roxb.) Schltr. 1915 (Kew)

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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.