Dinebra panicea (Retz.) P. M. Peterson & N. Snow subsp. panicea (Syn: (≡) Leptochloa panicea (Retz.) Ohwi; (≡) Poa panicea Retz. (basionym)) as per GRIN (2012);
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Tropical & Subtropical Asia, America: Alabama, Argentina Northeast, Argentina Northwest, Arizona, Arkansas, Bangladesh, Brazil North, Brazil Northeast, Brazil West-Central, California, Cayman Is., China North-Central, China South-Central, China Southeast, Colombia, Colorado, Costa Rica, Cuba, Dominican Republic, Florida, Georgia, Hainan, Haiti, Honduras, Illinois, India, Indiana, Jamaica, Japan, Jawa, Kentucky, Leeward Is., Lesser Sunda Is., Louisiana, Malaya, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Mississippi, Missouri, Myanmar, Nansei-shoto, Nevada, New Guinea, New Jersey, New Mexico, Nicaragua, North Carolina, Ogasawara-shoto, Ohio, Oklahoma, Pakistan, Paraguay, Pennsylvania, Philippines, Puerto Rico, South Carolina, South Dakota, Sri Lanka, Sulawesi, Taiwan, Tennessee, Texas, Thailand, Trinidad-Tobago, Utah, Venezuela, Venezuelan Antilles, Vietnam, Virginia, West Himalaya, Windward Is.; Introduced into: Andaman Is., Benin, Burundi, Cape Verde, Central African Repu, Comoros, Egypt, Ghana, Hawaii, Kenya, KwaZulu-Natal, Madagascar, Malawi, Mozambique, Namibia, New South Wales, Nicobar Is., Northern Provinces, Queensland, Saudi Arabia, Somalia, Sudan, Swaziland, Tanzania, Togo, Uganda, Zambia, Zimbabwe as per POWO;
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Common name: Thread Sprangletop, mucronate sprangletop, red sprangletop, sprangle top
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Leptochloa panicea is distributed in Africa, Asia-temperate, Asia-tropical, Australasia and America. In India it is distributed in Madhya Pradesh (Damoh) (Roy 2001), Andhra Pradesh (Anakapalli) (Rao and Kumari 2008), Tamil Nadu (Kabeer and Nair 2009) and Maharashtra (Amaravati, Aurangabad, Bombay, Nagpur) (Lakshminrrasimhan 1996, Rao and Kumari 2008).
Leptochloa panicea is an annual slender grass found in damp or periodically flooded places but not wetland species (Cook 1996) and also grows in riverbanks, lake margins, sloughs, bottomland forest openings, ditches, roadsides and railroads (www.missouriplants.com). It is a weed of rice, corn, cotton, soybeans, sugarcane, peanuts and pastures (Waterhouse and Mitchell 1998).
(From IUCN Red List (LC) )


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Dinebra panicea (Retz.) P M Peterson (syn: Leptochloa panicea Retz.) photographed from Delhi, pl validate

It is Leptochloa panicea. But the genus Dinebra does not fit for the nomenclature as Dinebra is far too different.


Here are in support of my conclusion for Dinebra

The combination has been published in 2012, and verified by GRIN in 2013.
In any case two are synonyms.
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Poaceae, Cyperaceae and Juncaceae Week: Poaceae : Leptochloa? sk06 : Attachments (6). 7 posts by 3 authors.
If this is a Leptochloa species, with its flexuose racemes it should be L. chinensis (L.) Nees.
I found this grass today in a dry canal. I do not have any detail because it was not possible to go near it.
I have another similar looking, pending since last year – efi thread

Yes. Leptochloa sp. Number of florets per spikelet need to be seen for species identification. For that, photo of fresh specimen would be required.


Only possibilities are L.chinensis and L.panicea


Thank you very much Sir. I understand that close-up photo is needed to determine it to the species level. Next time i will record the same if i can get close to similar looking grasses.


Leptochloa panicea



 

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Fwd: Grass Id from Bangladesh_SM_14020 2 : 2 posts by 1 author. Attachments (3)
Flowering: January
Habitat: Agriculture bed
Habit: Herb

Leptochloa panacea


 


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References:

POWO  GRIN  The Plant List (Leptochloa panicea (Retz.) Ohwi)  Flora of Pakistan  (Leptochloa panicea (Retz.) Ohwi)  Flora of China   (Leptochloa panicea (Retz.) Ohwi) Flowers of India
IUCN Red List (LC)  India Biodiversity Portal  RBG Kew: GrassBase Description