Polystachya neobenthamia

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Polystachya neobenthamia
Neobenthamia gracilis - Flickr 003.jpg
Inflorescence of Polystachya neobenthamia
Neobenthamia gracilis GotBot 2015 003.jpg
Long, slender stems of Polystachya neobenthamia
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Genus: Polystachya
Species:
P. neobenthamia
Binomial name
Polystachya neobenthamia
Locator map of Tanzania in Africa.svg
Synonyms [1]
  • Neobenthamia gracilis Rolfe
  • Polystachya holtzeana Kraenzl.

Polystachya neobenthamia is a species of flowering plants from the orchid family, Orchidaceae. [1] It is terrestrial, [2] lithophilic and grows among leaf litter and other detritus on rock faces. It is endemic to Tanzania.

Contents

Description

This species produces slender, reed-like stems, which bear distichously arranged, linear leaves. The inflorescence is erect and the rachis is bent apically. [2] [3] The flowers have four laterally flattened pollinia. [4] The pollinia are relatively hard. [5]

Taxonomy

It was formerly placed in a separate, monotypic genus Neobenthamia Rolfe under the name Neobenthamia gracilis Rolfe. This is however now a synonym of Polystachya neobenthamia Schltr. [1] Under the inclusion of P. neobenthamia the genus Polystachya is a monophyletic group. This species is the sister group to Polystachya dendrobiiflora . [2]

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References

  1. 1 2 3 "Polystachya neobenthamia Schltr". Plants of the World Online . Royal Botanic Gardens, Kew . Retrieved 30 October 2022.
  2. 1 2 3 Russell, A., Samuel, R., Rupp, B., Barfuss, M. H., Šafran, M., Besendorfer, V., & Chase, M. W. (2010). "Phylogenetics and cytology of a pantropical orchid genus Polystachya (Polystachyinae, Vandeae, Orchidaceae): Evidence from plastid DNA sequence data." Taxon, 59(2), 389-404.
  3. ↑ Mytnik-Ejsmont, J., & Szlachetko, D. L. (2011). "Isochilostachya Mytnik and Szlach., gen. nov., a new genus of Polystachyinae Schltr.(Orchidaceae)." Acta Societatis Botanicorum Poloniae, 80(1).
  4. ↑ Dressler, R. L., & Dodson, C. H. (1960). "Classification and phylogeny in the Orchidacea." Annals of the Missouri Botanical Garden, 25-68.
  5. ↑ Poinar, G., & Rasmussen, F. N. (2017). "Orchids from the past, with a new species in Baltic amber." Botanical Journal of the Linnean Society, 183(3), 327-333.


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