Pontederia cordata (Cultivated)

Pontederia cordata L., Sp. Pl. 288 1753. (syn: Narukila cordata (L.) Nieuwl.; Narukila cordata var. lancifolia (Muhl.) Nieuwl.; Pontederia angustifolia Pursh; Pontederia cordata f. albiflora House …………; Pontederia lanceolata Nutt. …..; Pontederia lancifolia Muhl.; Pontederia maculata Donn; Pontederia mucronata Raf. ex Torr.; Pontederia nymphaeifolia Kunth; Pontederia obtusifolia (Raf.) A.DC.; Pontederia ovalis Mart. ex Schult. & Schult.f.; Pontederia rotundifolia var. nymphaeifolia (Kunth) Solms; Sagittaria cerulea Raf.; Umsema mucronata Raf.; Umsema obtusifolia Raf.; Unisema acutifolia Raf.; Unisema cordata (L.) Farw. ..; Unisema deltifolia Raf.; Unisema heterophylla Raf.; Unisema lancifolia Raf. .; Unisema latifolia Raf.; Unisema media Raf.; Unisema mucronata Raf.; Unisema obliquata Raf.; Unisema obtusifolia (Raf.) Raf.; Unisema peduncularis Raf.; Unisema purshiana Raf.; Unisema rotundifolia Raf.; Unisema sagittata Raf.);

E. Canada to N. Venezuela, Cuba, Brazil to N. Argentina as per WCSP;

Alabama; Argentina Northeast; Argentina Northwest; Arkansas; Belize; Bolivia; Brazil North; Brazil Northeast; Brazil South; Brazil Southeast; Brazil West-Central; Colombia; Connecticut; Cuba; Czechoslovakia; Delaware; District of Columbia; Florida; Georgia; Honduras; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Masachusettes; Mexico Gulf; Mexico Southwest; Michigan; Minnesota; Mississippi; Missouri; Nebraska; New Brunswick; New Hampshire; New Jersey; New South Wales; New York; North Carolina; Nova Scotia; Ohio; Oklahoma; Ontario; Paraguay; Pennsylvania; Prince Edward I.; Qubec; Rhode I.; South Carolina; South Dakota; Tennessee; Texas; Uruguay; Venezuela; Vermont; Victoria; West Virginia; Wisconsin as per Catalogue of Life;

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Eichhornia FOR VALIDATION & ID :: TMC Biodiversity Park :: 15 APR 18 : 5 posts by 3 authors. 3 images.
TMC Biodiversity Park  Thane

¿ Eichhornia ?
Dear friends,
The flower looks like a miniature version of any Eichhornia; or may be I am mistaking. I could not make out any leaf of this plant among the mix of many others. Please help with the ID of this aquatic plant.

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Pontederia sp. [Pontederiaceae]. Most probably P. cordata L.

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Thank you very much … for the ID; I am finding Pontederia cordata L. convincing. Thank you very much.

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Pontederia cordata :: TMC Biodiversity Park :: 22 APR 18 : 3 posts by 3 authors. 5 images.
TMC Biodiversity Park  Thane

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Pontederia cordata :: Dattaji Salvi Udyan :: 5 & 10 MAY 18 : 4 posts by 3 authors. 4 images.
Dattaji Salvi Udyan  Thane
Date: May 5 & 10, 2018 … Altitude: about 11 m (36 feet) asl
Pontederia cordata  L.

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Pontederiaceae: Pontederia cordata from Florida: 1 image.
Pontideria cordata L.

Beautiful, if you have add some more pics like cordate leaves to represent.

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References:
Catalogue of Life  The Plant List Ver.1.1  WCSP  Flowers of India  India Biodiversity Portal  Wikipedia  Missouri botanical garden  Wildflower  USDA  POWO