Dimeria

Genus of grasses

Dimeria

Scientific classification
Kingdom:  | Plantae
Clade:  | Tracheophytes
Clade:  | Angiosperms
Clade:  | Monocots
Clade:  | Commelinids
Order:  | Poales
Family:  | Poaceae
Subfamily:  | Panicoideae
Supertribe:  | Andropogonodae
Tribe:  | Andropogoneae
Subtribe:  | Ischaeminae
Genus:  | Dimeria
R.Br.
Type species
Dimeria acinaciformis

R.Br.

Synonyms[1]

* Didactylon Zoll. & Moritzi
* Haplachne J.Presl
* Psilostachys Steud. 1854, illegitimate homonym not Turcz. 1843 (Euphorbiaceae) nor Hochst. 1844 (Amaranthaceae)
* Pterygostachyum Nees ex Steud.
* Woodrowia Stapf

Spikelet of Dimeria raizadae, an endemic species of Kerala, India

Dimeria is a genus of Asian, Australian, Madagascan, and Pacific Island plants in the grass family, mostly distributed in Peninsular India[2][3][4][5][6]

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.[7][8]

Species[9][7][10][6]

* Dimeria acinaciformis \- Queensland, Northern Territory
* Dimeria acutipes \- Tamil Nadu
* Dimeria agasthyamalayana \- Kerala
* Dimeria anadamanica \- Andaman Island
* Dimeria aristata \- Sri Lanka
* Dimeria avenacea \- Tamil Nadu, Sri Lanka, Myanmar
* Dimeria balakrishnaniana \- Tamil Nadu
* Dimeria ballardii \- Sri Lanka
* Dimeria bialata \- Tamil Nadu
* Dimeria chloridiformis \- Thailand, Malaysia, Philippines, New Guinea, Australia, Santa Cruz Islands, Micronesia
* Dimeria connivens \- Bihar, Odisha
* Dimeria copeana \- Kerala
* Dimeria deccanensis \- Tamil Nadu
* Dimeria dipteros \- New Guinea
* Dimeria falcata \- China, Indochina
* Dimeria fischeri \- Tamil Nadu
* Dimeria fuscescens \- Indian Subcontinent, Myanmar, Thailand
* Dimeria glabriuscula \- New Guinea
* Dimeria gracilis \- India, Sri Lanka, Vietnam
* Dimeria guangxiensis \- Guangxi
* Dimeria hohenackeri \- India, Myanmar
* Dimeria jainii \- India
* Dimeria josephi \- Kerala
* Dimeria kalavoorensis \- Kerala
* Dimeria kaleri \- Kerala
* Dimeria kanjirapallilana \- Kerala
* Dimeria keenanii \- Myanmar
* Dimeria kerrii \- Thailand
* Dimeria kurzii \- Indochina
* Dimeria kurumthotticalana \- Kerala
* Dimeria lawsonii \- India
* Dimeria lehmannii \- India, Sri Lanka
* Dimeria leptorhachis \- Sri Lanka, Myanmar, Thailand, Pen. Malaysia
* Dimeria madagascariensis \- Madagascar
* Dimeria mahendragiriensis \- Odisha
* Dimeria manongarivensis \- Madagascar
* Dimeria monostachya \- New Guinea
* Dimeria mooneyi \- Odisha
* Dimeria namboodiriana \- Kerala
* Dimeria neglecta \- Primorye
* Dimeria orissae \- Odisha
* Dimeria ornithopoda \- Asia (from Oman to Japan + Philippines), New Guinea, Australia, Micronesia
* Dimeria paniculata \- Palau
* Dimeria perrieri \- Madagascar
* Dimeria pubescens \- India, Sri Lanka, Thailand
* Dimeria raizadae \- Kerala
* Dimeria raviana \- Kerala
* Dimeria sinensis \- Thailand, southern China
* Dimeria solitaria \- Guangdong
* Dimeria stapfiana \- Maharashtra
* Dimeria thwaitesii \- Sri Lanka, Indochina
* Dimeria veldkampii \- Goa
* Dimeria woodrowii \- Maharashtra

formerly included[1]

see Arthraxon, Nanooravia

* Dimeria scrobiculata - Arthraxon hispidus

* Dimeria santapaui - Nanooravia santapaui
* Dimeria keralae - Nanooravia santapaui

## See Also

[edit]

* Tribe Andropogoneae
* List of Poaceae genera

## References

[edit]

1. ^ a b Kew World Checklist of Selected Plant Families
2. ^ Brown, Robert 1810. Prodromus Florae Novae Hollandiae 204
3. ^ Grassbase - The World Online Grass Flora
4. ^ Atlas of Living Australia, Dimeria R.Br.
5. ^ Flora of China Vol. 22 Page 614 觿茅属 xi mao shu Dimeria R. Brown, Prodr. 204. 1810.
6. ^ a b Kiranraj, M S (2008). "Taxonomic revision of the subtribe Dimeriinae Hack of Andropogoneae Panicoideae Poaceae in Peninsular India". Shodhganga : a reservoir of Indian theses @ INFLIBNET.
7. ^ a b Raj, M. S. Kiran; Sivadasan, M.; Veldkamp, J. F.; Alfarhan, A. H.; Tamimi, A. S. M. Amal (2015-06-25). "A revised infrageneric classification of Dimeria R. Br. (Poaceae: Andropogoneae)". Bangladesh Journal of Plant Taxonomy. 22 (1): 47–54. doi:10.3329/bjpt.v22i1.23866. ISSN 2224-7297.
8. ^ Teerawatananon, Atchara; Boontia, Veeraya; Chantarasuwan, Bhanumas; Hodkinson, Trevor R.; Sungkaew, Sarawood (2014-11-27). "A taxonomic revision of the genus Dimeria (Poaceae: Panicoideae) in Thailand". Phytotaxa. 186 (3): 137. doi:10.11646/phytotaxa.186.3.2. ISSN 1179-3163.
9. ^ The Plant List search for Dimeria
10. ^ "Dimeria R.Br. | COL". www.catalogueoflife.org. Retrieved 2024-05-26.

Taxon identifiers

Dimeria|

* Wikidata: Q2058360
* Wikispecies: Dimeria
* APDB: 201437
* APNI: 108192
* BOLD: 674341
* CoL: 8VWYJ
* EoL: 108287
* EPPO: 1DJMG
* FloraBase: 20995
* FNA: 110205
* FoAO2: Dimeria
* FoC: 110205
* GBIF: 2706203
* GrassBase: gen00193
* GRIN: 3719
* iNaturalist: 142545
* IPNI: 17919-1
* IRMNG: 1303346
* ITIS: 564952
* NCBI: 798292
* NZOR: 363d9fa4-5c52-4917-90cf-021b0fdd41aa
* Open Tree of Life: 449638
* PLANTS: DIMER3
* POWO: urn:lsid:ipni.org:names:17919-1
* Tropicos: 40031351
* WFO: wfo-4000011753

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