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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This species reproduces by seed and vegetatively via creeping underground stems i.
Vegetative plantlets develop from the central inflorescence flavw and either root in the mud below or break off and float away to form new infestations. Young leaves, petioles and flower stalks can be eaten as vegetables. Datasheet Limnocharis flava yellow bur-head. Young leaves, petioles and flower stalks are eaten as a vegetable in Thailand, Indonesia, Malaysia, Vietnam and Bangladesh. Mangoensoekarjo S, Pancho JV, Aquatic limnocyaris of Southeast Asia.
MCPA post-emergence days after planting 0. There are four to six pairs of main nerves and a marginal one sub parallel and converging towards apicesnumerous secondary nerves parallel to each other and nearly perpendicular to the midrib and dense fine reticulations. The plant may also propagate clonally.
Common name Location Language Meaning Source yellow velvet-leaf. Global weediness A weed of minor importance, but may become noxious by overgrowing the area. Sow in a constantly damp medium at 20c, cover with silver sand and immerse in 1cm of water once the seedlings have germinated[ ].
Moody, ; Waterhouse and Mitchell, The botanical specifics are noted as follows. If allowed to grow unchecked, limncharis plant may become a very invasive environmental weed of streams and wetlands. Leaves, leaf stems, flower stalks and young inflorescences are eaten cooked[ ]. The fruitlets are carried by water, floating to new locations and dispersing seeds along the way.
Rice field limnochariis in Malay. If you have important information about this plant that may help other users please add a comment or link below. Current status of weed problems in rubber, oil palm, cocoa, tea and rice and their control. Major Weeds in Thailand. A vegetative plantlet, known as a ramet, develops in the centre of an inflorescence.
After the fruit has fallen, the penduncle stalk of the inflorescence bends over and the ramet eventually reaches the surface of the water. Inflorescences are umbellate consisting of flowers springing from a common center and arranged flavx a clusterwith between two to 15 flowers supported by an involucre of bracts; sometimes one or two leaves are present between the flowers.
Grows best in shallow, neutral to slightly acidic water[ ]. The triangular leaves form into clumps.
The upright flower stalks i. Means of Movement and Dispersal Top of page L. Its triangular-shaped leaves and hollow stems are glabrous. Leaf sheath present, rounded or compressed in cross section. Pancho JV, Soerjani M, Though considered as an invasive plant and has great potential to become a weed, it is a known vegetable in some flva.
As an invasive species it has become a pest in some wetlands in other parts of the world. History of Introduction and Spread Top of page L.
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Hand book of water and marsh plants in India and Burma: The bracts are roundish to broad-elliptic with usually emarginated tops. Control Cultural control L. It now occurs throughout Indonesia and the rest of South-East Asia. Association for International Cooperation of Agriculture and Forestry, pp.