Ponerorchis gracilis

Ponerorchis gracilis (synonym Amitostigma gracile) is a species of plant in the family Orchidaceae.[1] It is commonly known as delicate amitostigma.[2] It is widespread across much of eastern Asia. It has been reported from Japan, Korea, Taiwan, and China (Anhui, Fujian, Guangxi, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangsu, Liaoning, Shaanxi, Shandong, Sichuan, and Zhejiang).[1][3]

Ponerorchis gracilis
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Orchidoideae
Genus: Ponerorchis
Species:
P. gracilis
Binomial name
Ponerorchis gracilis
(Blume) X.H.Jin, Schuit. & W.T.Jin[1]
Synonyms[1]
  • Mitostigma gracile Blume
  • Amitostigma gracile (Blume) Schltr.
  • Gymnadenia gracilis (Blume) Miq.
  • Cynorkis gracilis (Blume) Kraenzl.
  • Gymnadenia mitostigma Makino
  • Orchis gracilis (Blume) Soó
  • Orchis sooi S.S.Ying
  • Gymnadenia tryphiiformis Rchb.f.
  • Gymnadenia gracilis var. angustifolia Finet
  • Cynorkis chinensis Rolfe
  • Orchis gracilis var. gracillima Hayata
  • Amitostigma chinense (Rolfe) Schltr.
  • Orchis gracilis var. chinensis (Rolfe) Soó
  • Amitostigma yukianum Fukuy.
  • Orchis yunkiana (Fukuy.) S.S.Ying
  • Orchis formosensis S.S.Ying
  • Amitostigma formosana (S.S.Ying) S.S.Ying

Taxonomy

The species was first described by Carl Ludwig Blume in 1856, as Mitostigma gracile. It has been placed in various genera, including Gymnadenia, Orchis and Amitostigma.[1] A molecular phylogenetic study in 2014, in which it was included as Amitostigma gracile, 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 gracilis.[4]

References
  1. "Ponerorchis gracilis", World Checklist of Selected Plant Families, Royal Botanic Gardens, Kew, retrieved 2018-03-17
  2. English Names for Korean Native Plants (PDF). Pocheon: Korea National Arboretum. 2015. p. 350. ISBN 978-89-97450-98-5. Archived from the original (PDF) on 25 May 2017. Retrieved 25 January 2016 – via Korea Forest Service.
  3. Flora of China, v 25 p 128, 无柱兰 wu zhu lan , Amitostigma gracile
  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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