Ponerorchis capitata (synonym Amitostigma capitatum) is a species of plant in the family Orchidaceae.[2] It is endemic to China, known only from Sichuan and Hubei.[3][1] It produces white flowers.[4]

Ponerorchis capitata
Conservation status
Endangered  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Orchidaceae
Subfamily:	Orchidoideae
Genus:	Ponerorchis
Species:	P. capitata
Binomial name
Ponerorchis capitata (Tang & F.T.Wang) X.H.Jin, Schuit. & W.T.Jin[2]
Synonyms[2]
Amitostigma capitatum Tang & F.T.Wang

Taxonomy

The species was first described in 1936 by Tsin Tang and Fa Tsuan Wang, as Amitostigma capitatum.[2] A molecular phylogenetic study in 2014 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 capitata.[5]

References

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