Last week I wrote about duckweeds and mentioned watermeal or Wolffia as the smallest species of duckweed. What is most remarkable about it is that the genus Wolffia contains the smallest species of ...
The plant, more commonly known as Asian watermeal, is so small that to the naked eye it is impossible to tell if it has flowered. It measures 0.1-0.2 mm in diameter and floats on water; it can usually ...
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