Hedyotis verticillaris: Difference between revisions

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{{Taxobox
{{Taxobox
| image = HedyotisVerticillaris.jpg
| image = HedyotisVerticillaris.jpg
| regnum = [[Plant]]ae
| regnum = [[Plantae]]
| unranked_divisio = [[Flowering plant|Angiosperms]]
| unranked_divisio = [[Angiosperms]]
| unranked_classis = [[Eudicots]]
| unranked_classis = [[Eudicots]]
| unranked_ordo = [[Asterids]]
| unranked_ordo = [[Asterids]]
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}}
}}


'''''Hedyotis verticillaris''''' is a plant belonging to the family [[Rubiaceae]] that is endemic to the higher altitude grasslands of the Nilgiris in southern India. Unlike many others members of the genus the stems of this species are underground and the leaves appear close to the ground forming rosettes and usually hold some water at the centre of the whorl of leaves. The flowers are produced on a stalk.<ref>{{cite book|url=https://www.biodiversitylibrary.org/page/10168930|page=79|year=1846|last=Wight|first=Robert|title=Spicilegium Neilgherrense, or, a selection of Neilgherry plants}}</ref>
'''''Hedyotis verticillaris''''' is a plant belonging to the family [[Rubiaceae]] that is endemic to the higher altitude grasslands of the Nilgiris in southern India. Unlike many others members of the genus the stems of this species are underground and the leaves appear close to the ground forming rosettes and usually hold some water at the centre of the whorl of leaves. The flowers are produced on a stalk.<ref>{{cite book|url=https://www.biodiversitylibrary.org/page/10168930|page=79|year=1846|last=Wight|first=Robert|title=Spicilegium Neilgherrense, or, a selection of Neilgherry plants|volume=1}}</ref>
[[File:Hedyotis_verticillaris_Rungiah.jpg|thumb|right]]
[[File:Hedyotis_verticillaris_Rungiah.jpg|thumb|right]]
The species has been sometimes placed under the genus ''Pleiocraterium'' as ''P. verticillare'' along with the species, ''P. plantaginifolium'' (Arn.) Bremek. from Sri Lanka, ''P. sumatranum'' Bremek. and ''P. gentianifolium'' Bremek.,  both of Sumatra. Molecular phylogenetic studies however have found this genus to nest within other representatives of the genus ''Hedyotis'' giving little support for a separate genus.<ref>{{cite journal|title=Phylogeny of Hedyotis L. (Rubiaceae: Spermacoceae): Redefining a complex Asian-Pacific assemblage|author=Wikström, Niklas|author2=Suman Neupane|author3=Jesper Kårehed|author4=Timothy J. Motley|author5=Birgitta Bremer|name-list-style=amp|year=2013|journal=Taxon|volume= 62 |issue=2|pages=357–374|url=http://www.bergianska.se/polopoly_fs/1.132239.1366274764!/menu/standard/file/Wikstrom_etal_Taxon2013.pdf|doi=10.12705/622.2}}</ref>
The species has been sometimes placed under the genus ''Pleiocraterium'' as ''P. verticillare'' along with the species, ''P. plantaginifolium'' (Arn.) Bremek. from Sri Lanka, ''P. sumatranum'' Bremek. and ''P. gentianifolium'' Bremek.,  both of Sumatra. Molecular phylogenetic studies however have found this genus to nest within other representatives of the genus ''Hedyotis'' giving little support for a separate genus.<ref>{{cite journal|title=Phylogeny of Hedyotis L. (Rubiaceae: Spermacoceae): Redefining a complex Asian-Pacific assemblage|author=Wikström, Niklas|author2=Suman Neupane|author3=Jesper Kårehed|author4=Timothy J. Motley|author5=Birgitta Bremer|name-list-style=amp|year=2013|journal=Taxon|volume= 62 |issue=2|pages=357–374|url=http://www.bergianska.se/polopoly_fs/1.132239.1366274764!/menu/standard/file/Wikstrom_etal_Taxon2013.pdf|doi=10.12705/622.2}}</ref>

Latest revision as of 02:23, 17 May 2022


Hedyotis verticillaris
Scientific classification
Kingdom:
(unranked):
(unranked):
(unranked):
Order:
Family:
Genus:
Species:
H. verticillaris
Binomial name
Hedyotis verticillaris
Wall. ex Wight & Arn.
Synonyms

Pleiocraterium verticillare Template:Au

Hedyotis verticillaris is a plant belonging to the family Rubiaceae that is endemic to the higher altitude grasslands of the Nilgiris in southern India. Unlike many others members of the genus the stems of this species are underground and the leaves appear close to the ground forming rosettes and usually hold some water at the centre of the whorl of leaves. The flowers are produced on a stalk.[1]

The species has been sometimes placed under the genus Pleiocraterium as P. verticillare along with the species, P. plantaginifolium (Arn.) Bremek. from Sri Lanka, P. sumatranum Bremek. and P. gentianifolium Bremek., both of Sumatra. Molecular phylogenetic studies however have found this genus to nest within other representatives of the genus Hedyotis giving little support for a separate genus.[2]

References[edit | edit source]

  1. Wight, Robert (1846). Spicilegium Neilgherrense, or, a selection of Neilgherry plants. Vol. 1. p. 79.
  2. Wikström, Niklas; Suman Neupane; Jesper Kårehed; Timothy J. Motley & Birgitta Bremer (2013). "Phylogeny of Hedyotis L. (Rubiaceae: Spermacoceae): Redefining a complex Asian-Pacific assemblage" (PDF). Taxon. 62 (2): 357–374. doi:10.12705/622.2.


Template:Rubiaceae-stub