''Wolffia globosa'' is a species of flowering plant known by the common names Asian watermeal and duckweed. It is native to Asia and is found in parts of the Americas and Africa, where it is an

introduced species An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived there ...

. It grows in mats on the surface of calm, freshwater bodies, such as ponds, lakes, and marshes. It is a very tiny, oval-shaped plant with no leaves, stems, or roots. 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 B₁₂. ''Wolffia globosa'' has been described as the world's smallest flowering plant, at in diameter. Known in Thai as ''Pham'' (ผํา), it is a popular item in

Thai cuisine Thai cuisine ( th, อาหารไทย, , ) is the national cuisine of Thailand. Thai cooking places emphasis on lightly prepared dishes with strong Odor, aromatic components and a spicy edge. Australian chef David Thompson (chef), David ...

, especially in

Isan Northeast Thailand or Isan (Isan/ th, อีสาน, ; lo, ອີສານ; also written as Isaan, Isarn, Issarn, Issan, Esan, or Esarn; from Pali ''īsānna'' or Sanskrit ईशान्य ''īśānya'' "northeast") consists of 20 provin ...

.แกงไข่ผำ(สาหร่ายสไปรูลิน่า)สูตรและวิธีทำ
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References

External links

Jepson Manual (1993)
Lemnoideae Flora of tropical Asia Flora of China Flora of Japan Flora of Taiwan {{Araceae-stub