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 Edit this 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]

References
  1. China Plant Specialist Group (2004). "Amitostigma tetralobum". IUCN Red List of Threatened Species. 2004: e.T46633A11072627. doi:10.2305/IUCN.UK.2004.RLTS.T46633A11072627.en. Retrieved 16 November 2021.
  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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