Paspalum urvillei

Paspalum urvillei Steud., Syn. Pl. Glumac. 1: 24 1853. (syn: Paspalum dilatatum var. parviflorum Döll; Paspalum griseum Hack. ex Corrêa, nom. nud.; Paspalum griseum Hack. ex Loefgr.; Paspalum larranagae Arechav.; Paspalum ovatum var. parviflorum Nees; Paspalum vaseyanum Scribn.; Paspalum velutinum Trin. ex Nees, pro syn.; Paspalum virgatum var. parviflorum Döll; Paspalum virgatum var. pubiflorum Vasey);

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Bolivia to Brazil and S. South America: Argentina Northeast, Argentina Northwest, Bolivia, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Chile Central, Chile South, Paraguay, Uruguay; Introduced into: Alabama, Angola, Arkansas, Bahamas, Belize, California, Canary Is., Cape Provinces, China Southeast, Colombia, Cook Is., Costa Rica, Cuba, Fiji, Florida, Georgia, Guatemala, Hawaii, Honduras, Illinois, Jawa, Kansas, Kentucky, Kermadec Is., KwaZulu-Natal, Laos, Leeward Is., Liberia, Louisiana, Madagascar, Malawi, Malaya, Marianas, Mauritius, Mexico Central, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Mississippi, Missouri, Nansei-shoto, New Caledonia, New Guinea, New Zealand North, North Carolina, Northern Provinces, Ogasawara-shoto, Oklahoma, Philippines, Portugal, Puerto Rico, Réunion, Samoa, South Carolina, Sri Lanka, St.Helena, Swaziland, Taiwan, Tennessee, Texas, Vietnam, Virginia, Windward Is., Zimbabwe as per POWO;
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ID of grass sp-2 from Meghalaya KD 06 Nov : 5 posts by 3 authors. Attachments (7)

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This is possibly a Paspalum species, similar to P. urvillei Steud which is a S. American species, related to P. dialatum Poir.  And perhaps present/introduced in India.

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Please check for probability-

Looks matching but did not find listing in POWO, GBIF and Col but may be in sme journal.

A “Checklist of the grasses of India” can be accessed at – https://phytokeys.pensoft.net/article/38393/

As per the same “checklist”, a related species Paspalum dilatatum Poir. is reported from Assam (page 212).

Paspalum urvillei, Paspalum dilatatum, Paspalum longifolium, all these are highly variable with several intermediate forms too. Probably they are result of cultivation, hybridisation and polyploidy and also spread through imported cattle breeds. Sometimes these grasses also take giant forms with giant spikelets and upto 1 cm broad rachis. However, with the characters in the photograph, one would go with P.urvillei

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