UBD Botanical Research Centre

Chromolaena odorata (L.) R.M. King & H. Rob.

Siam Weed / Rumput jepun/Rumput siam (Bru.)

Description
Traditional Medicinal Uses
Ecology
Propagation
Distribution
Precaution

Perennial hairy shrub that can reach 2 m tall. Leaves are simple, oppositely arranged and giving off a pungent, aromatic smell when bruised. Leaf blade is narrowly lanceolate or ovate-lanceolate, acute at apex, obtuse or subtruncate at base with toothed or entire margin. Stems are erect, branching, clothed with short stiff hairs or soft long hairs and succulent. Inflorescence a terminal floZer head. )loZers are Zhite to pale pink. Fruit an achene covered with

The roots are boiled and the resultant decoction can be taken orally for hepatitis and postnatal treatment. For heart problems, equal amounts of scape of a garlic and stem (preferably 7 plugs or more) are added with the herbs and boiled with water. The resultant decoction is taken orally. The plant exhibits antiasthmatic, antidiabetic, antitumour, antiinflammator\ hepatoprotective and

It is common in open wastelands, along roadsides and on fences. It prefers infertile soil under full sunlight.

Stem cutting.

Native to South and Central America.

None

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