•WEEDS

Wathupalu

BOTANICAL NAME : Mikania micranthaFAMILY : Asteraceae

COMMON NAME : WathupaluHABIT : Herb

HulanthalaBOTANICAL NAME : Agerotum conyzoidesFAMILY : CompositaeCOMMON NAME : Hulanthala

Pethi thora

• BOTANICAL NAME : Cassia toraFAMILY : FabaceaeCOMMON NAME : Pethi ThoraHABIT : Herb

Karal Haba

• BOTANICAL NAME : Achyranthus asperaFAMILY : AmaranthaceaeCOMMON NAME : Karal HabaHABIT : Herb

Wal penela

• BOTANICAL NAME : Cardiospermum halicacabumFAMILY : SapindaceaeCOMMON NAME : Wal PenelaHABIT : CreeperLIFE CYCLE : Annual

Balu naguta

• BOTANICAL NAME : Stachytarpheta indicaFAMILY : VerbenaceaeCOMMON NAME : Balu NagutaHABIT : Herb

Apala

• BOTANICAL NAME : Urena lobataFAMILY : MalvaceaeCOMMON NAME : ApalaHABIT : Herb

• BOTANICAL NAME : Alternanthera sessilisFAMILY : AmaranthaceaeCOMMON NAME : MukunuwennaHABIT : Herb

• BOTANICAL NAME : Celosia asiaticaFAMILY : AmaranthaceaeCOMMON NAME : Walraja PohottuHABIT : HerbLIFE CYCLE : Annual

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• BOTANICAL NAME : Lantana camaraFAMILY : VerbinaceaeCOMMON NAME : GandapanaHABIT : HerbLIFE CYCLE : Perennial

• BOTANICAL NAME : Scoparia dulcisFAMILY : ScrophulariaceaeCOMMON NAME : Wal KoththamalliHABIT : HerbLIFE CYCLE : Annual

• BOTANICAL NAME :Sida occutaFAMILY : Heen BabilaCOMMON NAME : Malvaceae

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• BOTANICAL NAME : Clemoe viscosaFAMILY : CapparidaceaeCOMMON NAME :Wal Aba (Kurunagala)Walwela (Kaluthara)HABIT : HerbLIFE CYCLE : Annual

Clemoe spinosa

• BOTANICAL NAME :Tridax procumbensFAMILY : AsteraceaeCOMMON NAME : Kurunegala DesiHABIT : HerbLIFE CYCLE : Annual Plant

• BOTANICAL NAME :Centella asiaticaCOMMON NAME : GotukolaLIFE CYCLE : Annual Plant

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• BOTANICAL NAME : Vernonia ceneriaFAMILY : AsteraceaeCOMMON NAME : MonerekudumbiyaHABIT : HerbLIFE CYCLE : Annual

• Wal Rubber • BOTANICAL NAME : Euphorbia heterophylla

FAMILY : Euphorbiaceae

COMMON NAME : Wal Rubber

HABIT : Herb

Sudupitawakka

redroot pigweed•

• Showing newest posts with label Amaranthaceae. Show older posts • Showing newest posts with label Amaranthaceae. Show older posts• Friday, December 14, 2007• Kurathampala • BOTANICAL NAME : Amaranthus viridis

FAMILY : Amaranthaceae

COMMON NAME : Kurathampala

HABIT : Herb

LIFE CYCLE : Pale green

MORPHOLOGICAL CHARACTERS :Flowers are Pale green. Branched errect Herb. Floweringthroughout the year. Top root system.

AGRICULTURE IMPORTANCE :valuable medicine. Nutritious food contain iron. A harmless weed.

PROPAGATION METHOD : By seeds

METHOD OF CONTROL : By Hand weeding or herbicides.

• BOTANICAL NAME : Desmodium triflorum

FAMILY : Fabaceae

COMMON NAME : Heen Undupiyaliya

HABIT : Creepy Herb

MORPHOLOGICAL CHARACTERS : Flowers are bright purple. Sub arial stem& runners run and spread all over theland. This herb creeping along the nodes.Leaves are like conic trilateral. Side isbeing consisted of a leaf is attached to thestalk.

AGRICULTURE IMPORTANCE : Compete with crops for essentialrequirements. Valuable Medicine.Animal Feed. Gives Nitrogen to soil.

PROPAGATION METHOD : By seeds or runners.

METHOD OF CONTROL : By mammoting.

• BOTANICAL NAME : Euphorbia hiria

FAMILY : Euphorbiaceae

COMMON NAME : Kapumkeeriya

HABIT : Herb

LIFE CYCLE : An annual plant.

MORPHOLOGICAL CHARACTERS :Flowers are White. Branched up words from the group level.Reddish or purple edge. When the plant is broken milkyjuice comes out.

AGRICULTURE IMPORTANCE :Compete with crops for essential requirements.

PROPAGATION METHOD : By seeds

METHOD OF CONTROL : By mammoting or harrowing.

• BOTANICAL NAME : Mimosa pudicaFAMILY : FabaceaeCOMMON NAME : NidikumbaHABIT : HerbLIFE CYCLE : Perennial

•MORPHOLOGICAL CHARACTERS :

• Occationaly climbs up by nodules stem isBrownish in colour. Covered with hairs.Prickless leaves. It has more thorns.

•AGRICULTURE IMPORTANCE :

• Compete with crops for essentialrequirements. Can be seen in all partsof the country.

•PROPAGATION METHOD : By seedsMETHOD OF CONTROL : By ploughing & harrowing.

693 × 457 - Amaranthaceae: Gomphrena globosa

• BOTANICAL NAME : Leucas zelanicus

FAMILY : Labiatae

COMMON NAME : Gata Thumba

HABIT : Herb

MORPHOLOGICAL CHARACTERS : Flowers are White. Flowers are lingks inshape. Leave & Stems having small hairs.Leafs are long and thin. Plant has a toproot system. Contain small fruits.

AGRICULTURE IMPORTANCE : Compete with crops for water, Nutrient &Space. It has rapped growth rate.

PROPAGATION METHOD : By seeds

METHOD OF CONTROL : By manual weeding or uprooting.

Kadupahara• BOTANICAL NAME : Emilla sonchifolia

FAMILY : Asteraceae

COMMON NAME : Kadu Pahara

HABIT : Herb

LIFE CYCLE : An annual plant.

MORPHOLOGICAL CHARACTERS : Flowers are pink. Contain lot of branches. Smooth leaves.1.5 inch long & hairly stem.

AGRICULTURE IMPORTANCE : Compete with crops like Rubber, Coconutfor requirements. Not very harmful.

PROPAGATION METHOD : By seeds or stolons. METHOD OF CONTROL : By plaughing, hand weeding or mammoting.

• BOTANICAL NAME : Commelina beghalensis

FAMILY : Commelinaceae

COMMON NAME : Maha Girapala

HABIT : Runners

LIFE CYCLE : An annual or perennial plant.

MORPHOLOGICAL CHARACTERS : Flowers are Blue. Flowers can be seen inthe season. Leaves are wide. Plant has wideroot system. Contain small fruits.

AGRICULTURE IMPORTANCE : Compete with crops for essentialrequirements. They can prevent soilerosion because spread allover the groundcovers it very well.

PROPAGATION METHOD : By seeds or stolons.

METHOD OF CONTROL : By manual weeding, uprooting,mammoting & using herbicides .

Wel karabu

• Ludwigia perenis L

Wel karabu-Ludwigia octovalvis

• Onagraceae

Monochoria vaginalis—Diya habarala

eichhornia crassipes

limnocharis flava

Maha girapala

http://butterflies.heuristron.net/pictures/mainPage/plants/host/DSC09292.JPG

Heen girapala

sphaeranthus indicus L.

sphaeranthus indicus L.

Wel siyabala

Wel anoda

Eclipta alba

Salvineae

Common purslane( Genda pala)

marsilea quadrifolia

Common purslane( Genda pala)

Tobacco

Thunbergia grandiflora

Thunbergia alata

Thunbergia erecta