Limnocharis flava (commonly known as yellow velvetleaf,[2]sawah flower rush, sawah lettuce[3]) is a species of aquatic flowering plant which is native to Mexico, Central America, South America, Cuba, Haiti and the Dominican Republic but widely naturalized in southern and southeastern Asia: India, Sri Lanka, Cambodia, Burma, Thailand, Vietnam, Indonesia, Malaysia, Brunei and southern China (Guangdong, Yunnan).[1][4]
Limnocharis flava is roughly 50 centimetres (20 in) tall growing in clumps. Its triangular-shaped leaves and hollow stems are glabrous. Its inflorescences have a very characteristic shape, producing three-lobed yellow flowers about 1.5 cm in diameter. The fruits are spherical. Although it is not a floating plant, its seeds are carried away by currents.[5][6]
Yellow velvetleaf grows generally wherever there is not very deep stagnant fresh water, in swampy areas. It sometimes invades rice fields where it can become a weed. As an invasive species it has become a pest in some wetlands in other parts of the world.[4][7]
^ abc"World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew". apps.kew.org. Retrieved 2017-01-30.
^USDA, NRCS (n.d.). "Limnocharis flava". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 10 June 2017.
^"Limnocharis flava". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 10 June 2017.
^ ab"Limnocharis flava in Flora of China @ efloras.org". www.efloras.org. Retrieved 2017-01-30.
^"issg Database: EcologieLimnocharis flava". www.issg.org. Synergy International Limited. Archived from the original on 2013-12-09. Retrieved 2017-01-30.
^Buchenau, Franz Georg Philipp. 1868. Abhandlungen herausgegeben vom Naturwissenschaftlichen Vereine zu Bremen 2: 2,4. Limnocharis flava
^Environmental Pests- Australia Archived 2011-09-27 at the Wayback Machine
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