# Dimeria

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{{Short description|Genus of grasses}}
{{Automatic taxobox
| image = Dimeria santapaui M.R. Almeida.jpg
| display_parents = 3
| taxon = Dimeria
| authority = [R.Br.](/source/R.Br.)
| type_species = ''[Dimeria acinaciformis](/source/Dimeria_acinaciformis)''
| type_species_authority = [R.Br.](/source/R.Br.)
| synonyms_ref = <ref name=h>[http://apps.kew.org/wcsp/synonomy.do?name_id=451401 Kew World Checklist of Selected Plant Families]</ref>
| synonyms = * ''Didactylon'' <small>Zoll. & Moritzi</small> 
* ''Haplachne'' <small>J.Presl</small> 
* ''Psilostachys'' <small>Steud. 1854, illegitimate homonym not Turcz. 1843 ([Euphorbiaceae](/source/Euphorbiaceae)) nor Hochst. 1844 ([Amaranthaceae](/source/Amaranthaceae))</small>
* ''Pterygostachyum'' <small>Nees ex Steud.</small>
* ''Woodrowia'' <small>Stapf</small>
}}
thumb|Spikelet of Dimeria raizadae, an endemic species of Kerala, India
thumb|'''''Dimeria santapaui''''' M.R. Almeida
'''''Dimeria''''' is a [genus](/source/genus) of [Asia](/source/Asia)n, [Australia](/source/Australia)n, [Madagascan](/source/Madagascar), and [Pacific Island](/source/Pacific_Island) plants in the [grass family](/source/Poaceae), mostly distributed in Peninsular India<ref>[https://www.biodiversitylibrary.org/page/2954360#page/72/mode/1up Brown, Robert 1810.  Prodromus Florae Novae Hollandiae 204]</ref><ref>[http://www.kew.org/data/grasses-db/www/gen00193.htm Grassbase - The World Online Grass Flora]</ref><ref>[http://bie.ala.org.au/species/urn:lsid:biodiversity.org.au:apni.taxon:416568#tab_classification Atlas of Living Australia, Dimeria R.Br.]</ref><ref>[http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=110205 Flora of China Vol. 22 Page 614 <big>觿茅属</big> xi mao shu ''Dimeria'' R. Brown, Prodr. 204. 1810. ]</ref><ref name=":1">{{Cite web |last=Kiranraj |first=M S |date=2008 |title=Taxonomic revision of the subtribe Dimeriinae Hack of Andropogoneae Panicoideae Poaceae in Peninsular India |url=https://shodhganga.inflibnet.ac.in:8443/jspui/handle/10603/7030 |website=Shodhganga : a reservoir of Indian theses @ INFLIBNET}}</ref>

The genus is characterised by its tough raceme rachis bearing strongly compressed single spikelets. It is believed that peninsular India, which has 42 taxa (including 7 infra-specific taxa) and 23 endemic species, is the centre of its distribution.<ref name=":0" /><ref>{{Cite journal |last=Teerawatananon |first=Atchara |last2=Boontia |first2=Veeraya |last3=Chantarasuwan |first3=Bhanumas |last4=Hodkinson |first4=Trevor R. |last5=Sungkaew |first5=Sarawood |date=2014-11-27 |title=A taxonomic revision of the genus Dimeria (Poaceae: Panicoideae) in Thailand |url=https://biotaxa.org/Phytotaxa/article/view/phytotaxa.186.3.2 |journal=Phytotaxa |volume=186 |issue=3 |pages=137 |doi=10.11646/phytotaxa.186.3.2 |issn=1179-3163|url-access=subscription }}</ref>

;
; Species<ref>[http://www.theplantlist.org/tpl1.1/search?q=Dimeria The Plant List search for Dimeria]</ref><ref name=":0">{{Cite journal |last=Raj |first=M. S. Kiran |last2=Sivadasan |first2=M. |last3=Veldkamp |first3=J. F. |last4=Alfarhan |first4=A. H. |last5=Tamimi |first5=A. S. M. Amal |date=2015-06-25 |title=A revised infrageneric classification of Dimeria R. Br. (Poaceae: Andropogoneae) |url=https://www.banglajol.info/index.php/BJPT/article/view/23866 |journal=Bangladesh Journal of Plant Taxonomy |language=en |volume=22 |issue=1 |pages=47–54 |doi=10.3329/bjpt.v22i1.23866 |issn=2224-7297|doi-access=free }}</ref><ref>{{Cite web |title=Dimeria R.Br. {{!}} COL |url=https://www.catalogueoflife.org/data/taxon/8VWYJ |access-date=2024-05-26 |website=www.catalogueoflife.org}}</ref><ref name=":1" />
{{Columns-list|colwidth=30em|
* ''[Dimeria acinaciformis](/source/Dimeria_acinaciformis)''  - Queensland, Northern Territory
* ''[Dimeria acutipes](/source/Dimeria_acutipes)''  - Tamil Nadu
* ''[Dimeria agasthyamalayana](/source/Dimeria_agasthyamalayana)''  - Kerala
* ''[Dimeria anadamanica](/source/Dimeria_anadamanica)''  - Andaman Island
* ''[Dimeria aristata](/source/Dimeria_aristata)'' - Sri Lanka
* ''[Dimeria avenacea](/source/Dimeria_avenacea)'' - Tamil Nadu, Sri Lanka, Myanmar
* ''[Dimeria balakrishnaniana](/source/Dimeria_balakrishnaniana)'' - Tamil Nadu
* ''[Dimeria ballardii](/source/Dimeria_ballardii)'' - Sri Lanka
* ''[Dimeria bialata](/source/Dimeria_bialata)'' - Tamil Nadu
* ''[Dimeria chloridiformis](/source/Dimeria_chloridiformis)''  - Thailand, Malaysia, Philippines, New Guinea, Australia, Santa Cruz Islands, Micronesia
* ''[Dimeria connivens](/source/Dimeria_connivens)'' - Bihar, Odisha 
* ''[Dimeria copeana](/source/Dimeria_copeana)''  - Kerala
* ''[Dimeria deccanensis](/source/Dimeria_deccanensis)'' - Tamil Nadu
* ''[Dimeria dipteros](/source/Dimeria_dipteros)''  - New Guinea
* ''[Dimeria falcata](/source/Dimeria_falcata)''  - China, Indochina
* ''[Dimeria fischeri](/source/Dimeria_fischeri)'' - Tamil Nadu 
* ''[Dimeria fuscescens](/source/Dimeria_fuscescens)'' - Indian Subcontinent, Myanmar, Thailand
* ''[Dimeria glabriuscula](/source/Dimeria_glabriuscula)'' - New Guinea
* ''[Dimeria gracilis](/source/Dimeria_gracilis)''  - India, Sri Lanka, Vietnam
* ''[Dimeria guangxiensis](/source/Dimeria_guangxiensis)''  - Guangxi
* ''[Dimeria hohenackeri](/source/Dimeria_hohenackeri)''  - India, Myanmar
* ''[Dimeria jainii](/source/Dimeria_jainii)'' - India
* ''[Dimeria josephi](/source/Dimeria_josephi)'' - Kerala
* ''[Dimeria kalavoorensis](/source/Dimeria_kalavoorensis)''  - Kerala
* ''[Dimeria kaleri](/source/Dimeria_kaleri)''  - Kerala
* ''[Dimeria kanjirapallilana](/source/Dimeria_kanjirapallilana)''  - Kerala
* ''[Dimeria keenanii](/source/Dimeria_keenanii)'' - Myanmar 
* ''[Dimeria kerrii](/source/Dimeria_kerrii)'' - Thailand
* ''[Dimeria kurzii](/source/Dimeria_kurzii)''  - Indochina
* ''[Dimeria kurumthotticalana](/source/Dimeria_kurumthotticalana)''  - Kerala
* ''[Dimeria lawsonii](/source/Dimeria_lawsonii)''  - India
* ''[Dimeria lehmannii](/source/Dimeria_lehmannii)''  - India, Sri Lanka
* ''[Dimeria leptorhachis](/source/Dimeria_leptorhachis)'' - Sri Lanka, Myanmar, Thailand, Pen. Malaysia
* ''[Dimeria madagascariensis](/source/Dimeria_madagascariensis)''  - Madagascar
* ''[Dimeria mahendragiriensis](/source/Dimeria_mahendragiriensis)'' - Odisha 
* ''[Dimeria manongarivensis](/source/Dimeria_manongarivensis)''  - Madagascar
* ''[Dimeria monostachya](/source/Dimeria_monostachya)''  - New Guinea
* ''[Dimeria mooneyi](/source/Dimeria_mooneyi)''  - Odisha 
* ''[Dimeria namboodiriana](/source/Dimeria_namboodiriana)''  - Kerala
* ''[Dimeria neglecta](/source/Dimeria_neglecta)''  - Primorye
* ''[Dimeria orissae](/source/Dimeria_orissae)'' - Odisha 
* ''[Dimeria ornithopoda](/source/Dimeria_ornithopoda)'' - Asia (from  Oman to Japan + Philippines), New Guinea, Australia, Micronesia
* ''[Dimeria paniculata](/source/Dimeria_paniculata)'' - Palau
* ''[Dimeria perrieri](/source/Dimeria_perrieri)''  - Madagascar
* ''[Dimeria pubescens](/source/Dimeria_pubescens)''  - India, Sri Lanka, Thailand
* ''[Dimeria raizadae](/source/Dimeria_raizadae)'' - Kerala
* ''[Dimeria raviana](/source/Dimeria_raviana)'' - Kerala
* ''[Dimeria sinensis](/source/Dimeria_sinensis)''  - Thailand, southern China
* ''[Dimeria solitaria](/source/Dimeria_solitaria)'' - Guangdong
* ''[Dimeria stapfiana](/source/Dimeria_stapfiana)'' - Maharashtra
* ''[Dimeria thwaitesii](/source/Dimeria_thwaitesii)''  - Sri Lanka, Indochina
* ''[Dimeria veldkampii](/source/Dimeria_veldkampii)''  - Goa
* ''[Dimeria woodrowii](/source/Dimeria_woodrowii)'' - Maharashtra
}}
; formerly included<ref name=h/>
see ''[Arthraxon](/source/Arthraxon), [Nanooravia](/source/Nanooravia)'' 
* ''Dimeria scrobiculata - [Arthraxon hispidus](/source/Arthraxon_hispidus)''
* ''Dimeria santapaui - [Nanooravia santapaui](/source/Nanooravia_santapaui)''
* ''Dimeria keralae - [Nanooravia santapaui](/source/Nanooravia_santapaui)''

== See also ==

* [Tribe Andropogoneae](/source/Andropogoneae)
* [List of Poaceae genera](/source/List_of_Poaceae_genera)

==References==
{{Reflist}}

{{Taxonbar|from=Q2058360}}

Category:Andropogoneae
Category:Poaceae genera

{{Panicoideae-stub}}

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Adapted from the Wikipedia article [Dimeria](https://en.wikipedia.org/wiki/Dimeria) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Dimeria?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.
