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What is this???

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3 replies to this topic

#1 StevenC

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Posted 24 December 2012 - 03:56 PM

On vacation in Vietnam, I was walking through a street market in District 4 of Ho Chi Minh City yesterday when I spotted these things. They have a soft black shell that you can peel open with your fingers (leaving inky black residue on your hands), with a soft nut inside that's like a young Brazil nut.

Does anyone know what these are??

Attached Images

  • Black nut 1.jpg
  • Black nut 2.jpg

Edited by StevenC, 24 December 2012 - 03:57 PM.

#2 Hassouni

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Posted 24 December 2012 - 04:02 PM

water caltrops? http://en.wikipedia....i/Water_caltrop

#3 Ashen

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Posted 24 December 2012 - 09:01 PM

that is what I think they are too. water caltrops more specifically trapa bicornis water caltrop http://www.google.ca...iw=1243&bih=568
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#4 StevenC

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Posted 25 December 2012 - 04:30 PM

Thank you!!