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Wolffia is a genus of aquatic plants with a cosmopolitan distribution. [1] They include the smallest flowering plants on Earth. [ 2 ] Commonly called watermeal or rootless duckweed , [ 3 ] [ 4 ] these aquatic plants resemble specks of cornmeal floating on the water.
The body of the plant, a transparent green frond, is less than a millimeter wide. In one human experiment, processed W. globosa was reported to provide dietary protein and vitamin B 12. [3] Wolffia globosa has been described as the world's smallest flowering plant, at 0.1–0.2 mm (0.004–0.008 in) in diameter. [4] [5]
However, more recently Wolffia globosa has been described as the smallest, at 0.1–0.2 mm (0.004–0.008 in) in diameter. [4] According to Guinness World Records The fruit of Wolffia angusta is the smallest of any flowering plant , only 1/100th inch (0.25 mm) and weighs only 1/400,000th of an ounce (70 micrograms).
One of the largest aquatic plants in the world is the Bolivian waterlily, which holds the Guinness World Record of having the largest undivided leaf at 3.2 m (10 ft 6 in) diameter; the smallest is the rootless duckweed, which is only 1 mm (0.039 in) across.
The World Ocean. For example, the Law of the Sea states that all of the World Ocean is "sea", [8] [9] [10] [b] and this is also common usage for "the sea". Any large body of water with "Sea" in the name, including lakes. River – a narrow strip of water that flows over land from a higher elevation to a lower one; Tributary – a small river ...
Guinness defines seas as "smaller bodies of water than oceans, but still large water bodies, party enclosed by a land mass and connected to an ocean." The Karin Sea has been marked as a sea on ...
The solid and dissolved minerals, which Equatic says can lock up carbon for at least 10,000 years, will be returned to the ocean or used on land.The seawater will also be sent back into the sea ...
The smallest penguin species is the little blue penguin (Eudyptula minor), which stands around 30–33 cm (12–13 in) tall and weighs 1.2–1.3 kg (2.6–2.9 lb). [74] The smallest bird of prey is the Black-thighed falconet (Microhierax fringillarius), with a wingspan of 27–32 centimetres (11–13 in), roughly the size of a sparrow. [75]