Ponerorchis tetraloba

Ponerorchis tetraloba (synonym Amitostigma tetralobum) is a species of plant in the family Orchidaceae. It is endemic to China known from only Sichuan and Yunnan.[2][3][1] The flowers are pink or pale purple.[3]

Ponerorchis tetraloba
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Orchidoideae
Genus: Ponerorchis
Species:
P. tetraloba
Binomial name
Ponerorchis tetraloba
(Finet) X.H.Jin, Schuit. & W.T.Jin[2]
Synonyms[2]
  • Amitostigma tetralobum (Finet) Schltr.
  • Peristylus tetralobus f. typicus Finet
  • Peristylus tetralobus Finet
  • Orchis tetraloba (Finet) Schltr.
  • Amitostigma yunnanense Schltr.
  • Orchis tetraloba var. parciflora Soó
  • Orchis tetraloba var. yunnanensis Soó

Taxonomy

The species was first described in 1912 by Achille Eugène Finet, as Peristylus tetralobus. It has been placed in both Orchis and Amitostigma.[2] A molecular phylogenetic study in 2014, in which this species was included as Amitostigma tetralobum, 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 tetraloba.[4]

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References
  1. China Plant Specialist Group. 2004. Amitostigma tetralobum. The IUCN Red List of Threatened Species 2004. Downloaded on 10 September 2015.
  2. "Ponerorchis tetraloba", World Checklist of Selected Plant Families, Royal Botanic Gardens, Kew, retrieved 2018-03-17
  3. Flora of China v 25 p 滇蜀无柱兰 dian shu wu zhu lan Amitostigma tetralobum
  4. Jin, Wei-Tao; Jin, Xiao-Hua; Schuiteman, André; Li, De-Zhu; Xiang, Xiao-Guo; Huang, Wei-Chang; Li, Jian-Wu & Huang, Lu-Qi (2014), "Molecular systematics of subtribe Orchidinae and Asian taxa of Habenariinae (Orchideae, Orchidaceae) based on plastid matK, rbcL and nuclear ITS", Molecular Phylogenetics and Evolution, 77: 41–53, doi:10.1016/j.ympev.2014.04.004, PMID 24747003


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