| 词条 | Ponerorchis keiskei |
| 释义 |
| image = Amitostigma keiskei 1.jpg | genus = Ponerorchis | species = keiskei | authority = (Finet) X.H.Jin, Schuit. & W.T.Jin[1] | synonyms_ref = [1] | synonyms =
}}Ponerorchis keiskei (synonym Amitostigma keiskei) is a species of plant in the family Orchidaceae. The species is endemic to Japan.[1] TaxonomyThe species was first described in 1879 by Karl Maximovich, using the name "Gymnadenia keiskei". However, this name had already been published in 1878 for a different orchid species, so Maximovich's name was illegitimate. In 1900, Achille Eugène Finet reduced the species to a variety as Gymnadenia gracilis var. keiskei – this was the first legitimate name. In 1919, Friedrich Rudolf Schlechter transferred the species to Amitostigma as Amitostigma keiskei.[1] A molecular phylogenetic study in 2014 included Amitostigma keiskei and found that species of Amitostigma, Neottianthe and Ponerorchis were mixed together in a single clade, making none of the three genera monophyletic as then circumscribed. Amitostigma and Neottianthe were subsumed into Ponerorchis, with this species becoming Ponerorchis keiskei. References1. ^1 2 3 {{citation |title=Ponerorchis keiskei|work=World Checklist of Selected Plant Families |publisher=Royal Botanic Gardens, Kew |url=http://wcsp.science.kew.org/namedetail.do?name_id=491989 |accessdate=2018-03-20}} }} External links
3 : Ponerorchis|Orchids of Japan|Plants described in 1900 |
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