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Oplismenus compositus (L.) P.Beauv., Ess. Agrostogr. 54 1812. (Syn: Andropogon undatus Jacq.; Digitaria composita Willd.; Digitaria elatior Willd.; Echinochloa aristata Raspail; Echinochloa lanceolata (Retz.) P.Beauv.; Echinochloa lanceolata (Retz.) Roem. & Schult.; Hippagrostis composita (L.) Kuntze; Hippagrostis setaria (Lam.) Kuntze; Oplismenus africanus J.M. Wood; Oplismenus burmannii var. intermedius Honda; Oplismenus compositus var. angustifolius L.C.Chia ………………..; Oplismenus coreanus Nakai [Invalid]; Oplismenus decompositus Nees; Oplismenus elatior (L.f.) P.Beauv.; Oplismenus elatius (L. f.) P. Beauv.; Oplismenus formosanus Honda; Oplismenus hirtellus subsp. setarius (Lam.) Mez ex Ekman; Oplismenus hirtellus var. setarius (Lam.) Mez ex Ekman; Oplismenus hirtiflorus C. Presl; Oplismenus indicus Roem. & Schult. [Illegitimate]; Oplismenus jacquinii Kunth [Illegitimate]; Oplismenus junghuhnii Boerl. [Illegitimate]; Oplismenus lanceolatus (Retz.) Kunth; Oplismenus liebmannii E.Fourn.; Oplismenus owatarii Honda; Oplismenus patens Honda ..; Oplismenus polliniaefolius Honda; Oplismenus pratensis (Spreng.) Schult. & Schult.f.; Oplismenus rariflorus J.Presl; Oplismenus setarius (Lam.) Roem. & Schult. .; Oplismenus sylvaticus (Lam.) Roem. & Schult.; Oplismenus thiebautii E.Fourn.; Orthopogon compositus (L.) R.Br. .; Orthopogon gonyrrhizus (Steud.) Miq.; Orthopogon hirtellus Eaton & J. Wright; Orthopogon junghuhnii Nees ex Steud. [Invalid]; Orthopogon junghuhnii Nees; Orthopogon longeracemosum (Steud.) Miq.; Orthopogon longiracemosus (Steud.) Miq.; Orthopogon pratensis Spreng.; Orthopogon remotus Trin. [Illegitimate]; Orthopogon setarius (Lam.) Spreng.; Orthopogon sylvaticus (Lam.) Miq.; Panicum aristatum Retz.; Panicum bidentatum Steud. [Spelling variant]; Panicum bidentulum Steud.; Panicum certificandum Steud. [Illegitimate]; Panicum compositoproximum Rottler ex Willd.; Panicum compositum L. .; Panicum elatius L.f.; Panicum gonyrrhizum Steud.; Panicum lanceolatum Retz.; Panicum longiracemosum Steud.; Panicum parciflorum Steud.; Panicum peninsulanum Steud.; Panicum peninsularum Steud. [Illegitimate]; Panicum pratense (Spreng.) Steud.; Panicum setarium Lam.; Panicum sylvaticum Lam.; Panicum undatum (Jacq.) Steud.; Panicum unguinosum Roxb. [Invalid]; Pollinia jacquinii Spreng. ex Steud. [Invalid]; Pollinia undata (Jacq.) Spreng.; Urochloa aristata (Retz.) B.D.Jacks.);
. Tropics & Subtropics: Alabama, Andaman Is., Argentina Northeast, Argentina Northwest, Arkansas, Assam, Bangladesh, Belize, Bermuda, Bismarck Archipelago, Borneo, Brazil South, Burundi, Cambodia, Caroline Is., China South-Central, China Southeast, Christmas I., Colombia, Comoros, Costa Rica, Cuba, Dominican Republic, East Himalaya, Ecuador, El Salvador, Equatorial Guinea, Eritrea, Ethiopia, Florida, Georgia, Guatemala, Hainan, Haiti, Honduras, India, Iran, Jamaica, Japan, Jawa, Kazan-retto, Kenya, Korea, Laccadive Is., Laos, Leeward Is., Lesser Sunda Is., Louisiana, Madagascar, Malawi, Malaya, Maldives, Maluku, Mauritius, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Mississippi, Missouri, Mozambique, Myanmar, Nansei-shoto, Nepal, New Guinea, New South Wales, Nicaragua, Nicobar Is., North Carolina, Northern Territory, Ogasawara-shoto, Oklahoma, Oman, Pakistan, Panamá, Paraguay, Peru, Philippines, Puerto Rico, Queensland, Réunion, Seychelles, Socotra, South Carolina, Sri Lanka, Sudan, Sulawesi, Sumatera, Taiwan, Tanzania, Texas, Thailand, Tibet, Transcaucasus, Trinidad-Tobago, Uganda, Uruguay, Vanuatu, Vietnam, Virginia, West Himalaya, Windward Is., Yemen, Zambia, Zimbabwe as per POWO; . Common name: Running Mountain Grass .
The leaves show extreme variation in size and undulation depending on genetics, soil type, depth, fertility, shade, altitude, etc.
.
Spikelets in simple unbranched spike ….. O. undulatifolius
Spikelets on several short branches along the rachis …. O. compositus
.
Grasses week- Oplismenus:
Amazing grasses week going on. Great photography, some grasses resembling windmills others beating beautiful flowers. I am sure a lot of us will feel far more at ease with grasses now ! Here’s my two pence to the contributions – Oplismenus not sure of species, could be burmanii? Ided by Dr Almeida seen at the forest in Mumbai on 20 Nov.’10 . As explained by Dr. Almeida this has spikelets (individual flowers) arranged in spikes all on one side, sparsely spaced sub-spikes, sessile flowers. Ancient greek -hopliosmenus means ‘armed’. The sound also resembles in Marathi ‘aplas manus’ meaning our local person.
Kalatope id AL011111-A:
A grass of some kind…?? Location Kalatope Please check species of Oplismenus of Poaceae family. I told you, you are now our expert on Himalayan plants.
Two species are reported from this area
Spikelets in simple unbranched spike………………………………………O. undulatifolius
Spikelets on several short branches along the rachis…………………..O. compositus
I think it should be O. compositus. We have it in Delhi also. We too have O. compositus in the WG and I am very poor with idying grasses, but this was one among the few grasses that I had success with id. Yes and why I remember this grass is the fact that broad leaves with light patches look very ornamental and almost form a carpet when vegetative.
grass Oplismenus 2 from Hooghly 14/10/12 sk2: Species : Oplismenus compositus(L.) Beauv ?
Habit & Habitat : grass growing on private unused land in my village; about 3 feet high; leaves avg. 8-10 cm x 3 cm; inflorescence terminal and axillary
Date : 14/10/12, 10.20 a.m.
Place : Nalikul (Hooghly)
Yes. This is also O.compositus. The leaves show extreme variation in size and undulation depending on genetics, soil type, depth, fertility, shade, altitude, etc. The other post of O.c with highly undulating leaves should not be confused as a different species.
grass Oplismenus from Hooghly 14/10/12 sk1: I am sorry that my camera doesn’t behave properly in low light.
Species : Oplismenus undulatifolius (Ard.) Roem. & Schult. ?
Habit & Habitat : trailing grass in a shady place; leaves wavy, avg. 9.5 cm x 1.8 cm; raceme terminal
Date : 14/10/12, 10.10 a.m.
Place : Nalikul (Hooghly)
Found a similar grass at – http://www.floraofvirginia.org/flprojnews.shtml This is Oplismenus compositus. Oplismenus burmanica I failed to find Oplismenus burmanica in the internet. Found a list of Oplismenus at – http://grassworld.myspecies.info/content/descriptions-o, attaching the downloaded pdf file.
Poaceae, Cyperaceae and Juncaceae Week ::Poaceae » ID request :: PKA11:: : Attachments (2). 3 posts by 2 authors. Oplismenus compositus
Poaceae, Cyperaceae and Juncaceae Week: Poaceae 040413 MK03ID : Attachments (6). 2 posts by 2 authors.
Please help me in finding this grass species. Is this Oplismenus sp.? The locale is shady and near a stream.
Place: Sathyamangalam RF, TN
Alt.: 231 m asl
Date: 14 Dec 2010 Oplismenus compositus
ANOCT86 Poaceae for identification (3) : 3 posts by 2 authors. Attachments (3).
Nandi Hills Oplismenus compositus (L.) P. Beauv
Grass for id : 8 posts by 3 authors. Attachments (2) Looks like Oplismenus compositus (L.) P. Beauv. Please wait for experts’ views.
Certainly …, meanwhile you may browse my uploads . Thank you Oplismenus burmannii Oplismenus compositus Oplismenus compositus It is oplismenus compositus
This grass is perhaps the most common at our altitude. Please help with the ID.
Above Mcleodganj, Dharamshala, HP
1800m
17 August 2015 I think Oplismenus compositus Thank you … It certainly looks like Oplismenus compositus or commonly, the running mountaingrass. I took a couple of more pictures showing the details on spikes/flowers.
Gr. oplismenos: equipped, referring to awns on the spikelets
2 images.
It is
Oplismenus compositus var. undulatifolius
SK239DEC14-2016:ID : 8 posts by 2 authors. Attachments (11) Location: Chautara , Nepal
Altitude: 4700 ft.
Date: 12 December 2016
It is grass. Any Poaceae member? Tried but failed! Poaceae is very-2 difficult. It is Oplismenus Thank you … Oplismenus compositus (L.) P.Beauv. (accepted name) Oplismenus compositus
Oplismenus compositus : 5 posts by 3 authors. Attachments (3) Oplismenus compositus
Family – Poaceae A generally small grass commonly found in shady location in sub tropical forests. Photographed at Hamirpur, Himachal Pradesh October 2017 Yes
171-TSP-ID-17SEP2018-2 A monocot near Sakaleshpur for ID : 7 posts by 3 authors. Attachments (5)
Kindly examine and identify this plant Habit: Herb Habitat: Evergreen forest floor Sighting: Near Sakaleshpur,Karnataka Date: 04-11-2016 Oplismenus compositus
Running Mountain Grass It is Oplismenus burmanii
Images 2-Kadmane to 5-Kadmane are of Oplismenus compositus. Image 1-Kadmane also has some Cyrtococcum patens. . SK 2755 14 September 2020 – Grass : 9 posts by 2 authors. 6 images-3 to 7 mb each. Location: Khadka Gaun, Kathmandu, Nepal
Date: 10 September 2020
Elevation: 1500m.
Habit : Wild
Oplismenus compositus Thank you … !
Oplismenus compositus (L.) P.Beauv. Yes common Oplismenos….. mostly found under canopy in mid hills and lesser himalayas.. . SK 2771 07 October 2020 – Grass : 7 posts by 2 authors. 6 images- 3 to 7 mb each. Location: Nagarkot, Kathmandu
Date: 12 September 2020
Elevation: 2041 m.
Habit : Wild
Oplismenus compositus . SK 2800 21 October 2020 : 12 posts by 2 authors. 6 images- 4 to 7 mb each.
Location: Phulchoki, Lalitpur
Date: 07 October 2020
Elevation: 2201m.
Habit : Wild
Oplismenus burmannii (Retz.) P. Beauv.???
Oplismenus compositus Thank you … !
Oplismenus compositus (L.) P. Beauv. . Poaceae(2) from Tamdil: 1 image.
Segregating from MS,Oct.,2021/60 Poaceae for id.: Place : Tamdil Date : 11-11-2015
Habit : Grass
Habitat : Wild
Poaceae(2) is Oplismenus compositus   MS,Nov.,2021/42 Oplismenus sp. for id.: 2 images.
Location : Tamdil Date : 30-04-2018
Habit : Grass
Habitat : Wild Oplismenus compositus – wait for flowering . SK 3274 30 December 2021: 6 very high res. images. Location: Surkhet, West Nepal
Altitude: 382 m.
Date: 28 August 2021
Habit : Wild Oplismenus compositus (L.) P.Beauv. ?? Yes it is.
. References:
POWO Flowers of India |
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