Ponerorchis secundiflora (synonym Neottianthe secundiflora) is a species of plant in the family Orchidaceae. It is native from the Himalayas to China.[1]

Ponerorchis secundiflora
Conservation status
Endangered  (IUCN 3.1)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Orchidaceae
Subfamily:	Orchidoideae
Genus:	Ponerorchis
Species:	P. secundiflora
Binomial name
Ponerorchis secundiflora (Kraenzl.) X.H.Jin, Schuit. & W.T.Jin
Synonyms[1]
Peristylus secundiflorus Kraenzl. Gymnadenia secundiflora (Kraenzl.) Kraenzl. Neottianthe secundiflora (Kraenzl.) Schltr. Habenaria secundiflora Hook.f., nom. illeg. Neottianthe mairei Schltr.

Taxonomy

The species was described by Joseph Dalton Hooker in 1890, under the name "Habenaria secundiflora".[1] However, this name had already been used for a different species in 1881, so was illegitimate.[2] The species was first legitimately named in 1898 by Friedrich Kraenzlin as Peristylus secundiflorus. It was later transferred to Gymnadenia and then to Neottianthe.[1] A molecular phylogenetic study in 2014 found that species of Neottianthe, Amitostigma and Ponerorchis were mixed together in a single clade, making none of the three genera monophyletic as then circumscribed. Neottianthe and Amitostigma were subsumed into Ponerorchis, with this species becoming Ponerorchis secundiflora.[3]

Distribution

Ponerorchis secundiflora is native to the Himalayas, including Tibet, Nepal and the Assam region. Its range extends to Myanmar and south-central China (west Sichuan and north-west Yunnan).[1]

References

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