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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Management of problematic aquatic weeds in Africa: A systematic account of common Southeast Asian aquatic weeds. Weed competition in rice production. For example, plants should be uprooted and burnt or deep-buried to prevent them from re-establishing and the plants should be preferably removed flva the weed flowers and sheds its seeds.

It could have similar impacts on Australia’s wetlands, and has the potential to rapidly establish in suitable habitats.

International Common Names English: Title Habit Caption L. Weeds in the Tropics.

Vegetative plantlets develop from the central inflorescence but and either root in the mud below or break off and float away to form new infestations. Present status and future challenge of weed problems in southeast Asian countries – based on a survey carried out in Thailand, Malaysia and Indonesia.

If you have questions about a plant please use the Forum on this website as we do not have the resources to answer questions ourselves. QR Code What’s this? It is also reported to be used as pig or cattle fodder flavq Sumatraand as green crop manure for fertilising paddies Abhilash, Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report.


Diversity and distribution of invasive weeds in Ashanti Region, Ghana.

Retrieved from ” https: This species reproduces by seed and vegetatively via creeping underground stems i. 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.

Weeds of Australia – Biosecurity Queensland Edition Fact Sheet

Retrieved 10 June Jason Weber close-up of flower Photo: The natural ecological balance may thus be altered to seriously impact native water-dwelling creatures. Balai Pustaka, pp. Ecology In freshwater pools and ditches, especially in moister regions; sometimes gregarious. In Malaysia used as pig fodder. In other projects Wikimedia Commons Wikispecies. The mechanism of seed dispersal is discussed in Nayar and Sworupanandan Whole plants are used as fodder for pigs, cattle or fish and plant residues can be also be used for feed and as green manure.

Online Database Limnocharis flava Summary: It now occurs throughout Indonesia and the rest of South-East Asia. Kotalawala, ; Moody, ; Holm et al. Joe Vitelli and Barbara Madigan ‘capsule’ segments and seeds Photo: Grows best in shallow, neutral to slightly acidic water[ ].

The leaves of L.

Limnocharis flava (yellow bur-head)

Plants are reproduced mainly by seeds – these are dispersed via the production of fruitlets, which are buoyant and carried by water to new localities, dispersing seeds along the way[ ]. Right plant wrong place. Click on images to enlarge. Sawah lettuce Limnocharis flavaalso known as yellow sawah lettuve, yellow limnocahris head, or yellow velvetleaf, is an aquatic flowering, clump-forming, perennial plant which produces erect stems about cm tall limnocbaris a short thick rhizome.


Mangoensoekarjo and Pancho, Cotyledons Numerousminute, horseshoe- shaped, dark brown, Abandoned paddy fields and reclaimed coconut fields with marshy areas are the main habitat in Kerala. Leaf sheath present, rounded or compressed limnochaaris cross section. This QR Code is unique to this page. A Geographical Atlas of World Weeds.

It inhabits freshwater bodies of water i. In or at the edge of water[ ]. Countries or multi-country features with distribution records for Limnocharis flava. The plants are sometimes used for green manure[ ]. To encourage early detection, the Northern Australian Quarantine Strategy NAQS – a sub-program of the Australian Oimnocharis and Inspection Service have undertaken a survey of flaava distribution of known weeds and the occurance of new weeds in northern Australia.

It then sends out its own rhizome and roots, which take root in the mud below. There are four to six pairs of main nerves and a marginal one sub parallel and converging towards apices liimnocharis, numerous secondary nerves parallel to each other and nearly perpendicular to the flaav and dense fine reticulations.

Leaves, leaf stems, flower stalks and young inflorescences are eaten cooked[ ]. Alternatively, ramets may break off and float away, forming new infestations downstream Abhilash, ; CRC for Australian Weed Management, Biological control of weeds: It has become a serious weed in rice fields, irrigation canals and wetlands in South-East Asia[ ].