Platanthera azorica Schltr. (1920:378)

Hochstetter's butterfly orchid



Taxonomy & Nomenclature

Synonyms: Habenaria longebracteata Hochst. ex Seub. in Fl. Azor.: 25 (1840); Platanthera micrantha var. longebracteata (Hochst. ex Seub.) Soó in Arch. Bot. (Leipzig) 23: 104 (1928); Limnorchis longebracteata (Hochst. ex Seub.) Efimov in Novosti Sist. Vyssh. Rast. 40: 50 (2008 publ. 2009)


Conservation Status

Rediscovered in 2011



Faial (=Fayal) & São Jorge, Azores


Biology & Ecology










Original scientific description:

Schlechter, R. (1920). Mitteilungen über europäische und mediterrane Orchideen. III, Part VIII. Zur Auflärung zweier ungenau bekannter Orchideen von den Azorean. Feddes Repertorium 16: 375-379


Other references:

Bateman, Richard M., Rudall, Paula J., Bidartondo, M. I., Cozzolino, S., Tranchida-Lombardo, V., Carine, M. A. and Moura, M. (2014). Speciation via floral heterochrony and presumed mycorrhizal host switching of endemic Butterfly-orchids on the Azorean archipelago. American Journal of Botany 101(6): 979-1001.

Bateman, Richard M., Rudall, Paula J. and Moura, Mónica (2013). Systematic revision of Platanthera in the Azorean archipelago: not one but three species, including arguably Europe's rarest orchid. PeerJ 1: e218.

Efimov, P.G. (2016). A revision of Platanthera (Orchidaceae: Orchidoideae; Orchidaceae) in Asia. Phytotaxa 254: 1-233.

Govaerts, R. (2003). World Checklist of Monocotyledons Database in ACCESS: 1-71827. The Board of Trustees of the Royal Botanic Gardens, Kew.

Kühn, R., Pedersen, H.Æ. & Cribb, v (2019). Field Guide to the Orchids of Europe and the Mediterranean: 1-430. Kew Publishing, England.

Rankou, H. (2011). Platanthera micrantha. The IUCN Red List of Threatened Species 2011: e.T175973A7159797. Accessed on 28 February 2024.

Schäfer, H. (2021). Flora of the Azores a field guide: 1-445. Margraf Publishers GmbH.

ScienceDaily. (10 December 2013). "Europe's rarest orchid rediscovered on 'lost world' volcano in the Azores" ScienceDaily. <> [Accessed 28 February 2024].


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