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Water Mimosa

Water  Mimosa
Photo Information
Copyright: Foozi Saad (foozi) Gold Star Critiquer/Gold Note Writer [C: 2791 W: 0 N: 6696] (25839)
Genre: Plants
Medium: Color
Date Taken: 2009-08-24
Categories: Flowers
Camera: Canon SX10 IS
Exposure: f/5.7, 1/250 seconds
More Photo Info: [view]
Photo Version: Original Version
Date Submitted: 2010-08-03 4:59
Viewed: 4029
Points: 30
[Note Guidelines] Photographer's Note
In Malaysia, water mimosa is not yet declared as pest plant. But it does fill the ponds and muddy streams with its long creeping floating branches.
To the locals, this plant is considered as a good medical herbal treatment for fever and heated body.
It is not hard, soft and bouyancy.

Water mimosa (Neptunia spp.) is a Class 1 declared pest plant in Queensland. Class 1 pests established in Queensland are subject to eradication from the state. Landowners must take reasonable steps to keep land free of Class 1 pests. It is a serious offence to introduce, keep or supply a Class 1 pest without a permit issued by Biosecurity Queensland. Penalties of up to $80,000 apply.

Neptunia spp. are aquatic nitrogen fixing legumes. The release of nitrogen into water bodies can lead to increased algal blooms and increase the vigour of associated Class 2 pest plants such as water hyacinth, water lettuce and salvinia.

The release of nitrogen by Neptunia spp. into water bodies affects water quality and increases water treatment costs.
Scientific name

Neptunia oleracea and N. plena

* restricts water flow in creeks, channels and drains
* impedes recreational water sports and boating access
* increases water loss through evapotranspiration
* reduces water quality by preventing light penetration and reducing oxygenation of water
* creates a favourable habitat for mosquitoes
* reduces fish activity
* causes the death of native, submerged water plants and fish
* replaces native wetland plants


* an aquatic-floating perennial weed
* stems grow out over the water and form a spongy, fibrous covering between the nodes
* yellow ball-shaped flowers appear in early summer
* olive-green leaves arranged in opposite pairs along the stem
* land form has smaller leaves and flowers, and has no spongy floating tissue

Habitat and distribution

* grows on land in damp soil or in water as thick floating mats
* commonly found in and around fresh water pools, swamps and canals
* found in South East Queensland
* Neptunia oleracea and Neptunia plena are native to Mexico, Costa Rica and to northern South America
* Neptunia plena grows in the coastal regions of southern North America, Central America, northern South America and tropical Asia


* there are no chemicals registered for control
* mechanically remove the infestation by removing all plant matter from the infested water body and pulling plants out of the surrounding banks, ensuring to remove the attached root system

Declaration details

* a declared Class 1 plant under the Land Protection (Pest and Stock Route Management) Act 2002

Ref: http://www.dpi.qld.gov.au/4790_8945.htm

pierrefonds, CeltickRanger, haraprasan, Dis. Ac., MMM, siggi, cirano, jaycee, mamcg, boreocypriensis, Noisette, jusninasirun has marked this note useful
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Critiques [Translate]

A fascinating family the Mimosas. Some are touch sensitive and fold their leaves suddenly, others are the source of psychedelic drugs.
Interesing one this Neptunia.
Thanks for sharing Foozi,

Hi Foozi,

The blurry grren background is framing well the flower. The point of view is showing the details and colors of the water mimosa. The early afternoon light has a good effect on the colors. Have a nice day.


hello Foozi

beautiful photo of this water plant, shot with fine POV and framing,
fine focus excellent sharpness and details, beautiful vivid
luminosity and colour tones, TFS


Hi Foozi,
A beautiful flower. Very well captured by you. Sharp details and very good composition. Informative notes. Thanks a lot for sharing.

Hi Foozi,

a nice picture from this beautiful flower.
Good pov, blurred bg and great detail.
fine colours.


  • Great 
  • MMM Gold Star Critiquer/Gold Note Writer [C: 1114 W: 0 N: 2546] (11425)
  • [2010-08-03 10:46]

Hi Foozi
Another well composed image.Good pov and sharp image.Light and colors are excellent.I like the color ontrast beetween the OOF BGand the main subject.

Ciao Foozi, beautiful composition with lovely flower, fantastic bright colors and splendid sharpness, very well done my friend, ciao Silvio

  • Great 
  • siggi Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 3097 W: 109 N: 12399] (52850)
  • [2010-08-03 13:07]

Hello Foozi
Intersting shot of this Water Mimosa,
Perfect focusing,composition and BG,Welldone.
Best regards Siggi

  • Great 
  • cirano Gold Star Critiquer/Gold Note Writer [C: 997 W: 0 N: 944] (13609)
  • [2010-08-03 14:24]

Hi Foozi,
Very beautiful flower,good sharpness and excellent colors.TFS.
Best regards,

  • Great 
  • jaycee Gold Star Critiquer/Silver Workshop Editor/Gold Note Writer [C: 2454 W: 10 N: 8044] (25460)
  • [2010-08-03 15:01]

Hi Foozi,

If this plant is considered a pest, it is a very lovely pest. The Mimosa with the beautiful shade of yellow and fine details looks marvelous against the blurred green leaves.


  • Great 
  • mamcg Gold Star Critiquer/Silver Workshop Editor/Gold Note Writer [C: 333 W: 13 N: 91] (9843)
  • [2010-08-03 21:27]

Ya Foozi,
Assalamualia kum,

It is so fresh that I want to look again and again, the colours are vivid and bright, The well informative NOTE helps much to understand the issue, only I can dream for such wet land and beautiful subjects and wish that I'll be one day there, enjoying the nature, TFS.


Hi MF Foozi,

Incredible macro capture of this water mimosa flower with great DOF, impressive letral POV, wonderful clarity and delightful composition.
TFS and have a nice day MF!


hello foozi
wonderful image with soo beautiful contrasting colors and fine sharpness,
the flower is superb and nicely presented, great bG too
Have a good night

Una curiosidad para las personas de estas latitudes. Aquí se da alguna especie de este tipo, pero solamente hornamental.
Saludos Foozi: Josep Ignasi.

Salam Foozi.
I never got around to making a great picture of this striking yellow flower on the water's surface.
Details are well established in fine colors and saturation.
Well done and best regards - Jusni

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