Species: Limnocharis flava (L.) Buchenau. Weed type: Grass-like leaves. Global description: Aquatic, perennial herb, partially submerged, rooting in the. A popular and highly esteemed vegetable in the tropics, especially in parts of SE Asia, the plant is both gathered from the wild and also sometimes cultivated in. [Others]: Limnocharis flava was introduced to Southeast Asia more than a century ago and has become naturalised in Indonesia, Malaysia, Thailand, Burma and.

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Riceweeds en – Alismataceae – Limnocharis flava L. Leaves basal, rosulate, glabrous, long-petioled, orbicular or ovate, x cm, entire, yellowish-green, curvinerved, transversely latticed-veined, underneath at apex with a purple-rimmed water pore, folded lengthwise in bud; with numerous air chambers, cm long. Its fruits are spherical and made up of cresent shaped segments that eventually llimnocharis off, carried by water currents to foava seeds to new locations CRC for Australian Weed Management, Inflorescences are umbellate consisting of flowers springing from a common center and arranged in a clusterwith between two to 15 flowers supported by an involucre of bracts; sometimes one or two leaves are present between the flowers.

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Please consider upgrading your browser to the latest version or installing a new browser. Stamens more than 15, surrounded by a whorl of staminodes.

Only comments or links that are felt to be directly relevant to a plant will be included. These upright flower stalks i. Webarchive template wayback links Articles with ‘species’ microformats Commons category link from Wikidata Taxonbars with automatically added basionyms. The latter is thought to be the cause of its spread from Java to Papua Waterhouse, Title Habit Caption L.


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More information about modern web browsers can be found at http: Some have deliberately planted this weed without realizing the danger to rice fields when it gets out of control. Bulletin Balai Penelitian Perkebunan Medan, 6 1: The leaf apex is generally apiculate with a small hydathode at the tip; the leaf base is cuneate to repand-cordate; the leaf margin is undulate. Kotalawala, ; Moody, ; Holm et al. In freshwater pools and ditches, especially in moister regions; sometimes gregarious.

Leaves, leaf stems, flower stalks and young inflorescences are eaten cooked[ ].

Riceweeds en – Alismataceae – Limnocharis flava (L.) Buchenau

Soil Tolerances Top of page Soil drainage seasonally waterlogged Soil reaction acid alkaline neutral Soil texture heavy. Java, but less known elsewhere. Phytofiltration of cadmium from water by Limnocharis flava L. Flowers bisexualgrouped together in a terminallax umbelstalked, petals 3, yellow, stamens many.

Found for the first time near Jakarta inbut probably introduced much earlier, and has spread throughout Indonesia except the Moluccas an Irian Java.

Rice production in Paraguay. A profitable vegetable in W.

In some South-East Asian countries L. Slime from the plant can be used as soap. The fruits are spherical.

By using this site, you agree to the Terms of Use and Privacy Policy. Common name Location Language Meaning Source yellow velvet-leaf. Siemonsma JS, Piluek K, eds. Hand book of water and marsh plants in India and Burma: Aquatic weeds of Southeast Asia.


When ripe, the fruit carpels fall into the water where flavx release the seeds, which sink to the bottom. It usually grows cm tall. Mangoensoekarjo and Pancho, Other Uses None known.

Limnocharis flava Sawah Lettuce, Sawah Flowering Rush PFAF Plant Database

Teknologi Sayur Sayuran, 4: Informations on Limnocharis flava has been recorded for the following locations. The leaves of L. Owing to its flat taste, in some areas it is considered “poor limnochais food” or emergency food, eaten whenever there is not much else left. The natural ecological balance may thus be altered to seriously impact native water-dwelling creatures.

Origin World distribution S. The petioles are thick, triangular90cm long and contain numerous lacunae air spaces. Proceedings of the 1st International Weed Control Congress. Limnocharis flavx in northern Queensland.

Current status of weed problems in rubber, oil palm, cocoa, tea and rice and their control. Jason Weber close-up of leaf blade Photo: Retrieved from ” https: Limnocharis flava commonly known as yellow velvetleaf[2] sawah flower rushsawah 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: