Botanical name : Chromolaena odorata King & Robinson.
Family : Asteraceae
SANSKRIT SYNONYMS : Ropani, Seekhrasarpi
Chromolaena odorata is a fast-growing perennial shrub, native to South America and Central America. It has been introduced into the tropical regions of Asia, Africa and the Pacific, where it is an invasive weed. Also known as Siam weed, it forms dense stands that prevent the establishment of other plant species.
Synonyms: Eupatorium affine Hook & Arn., Eupatorium brachiatum Wikstrom, Eupatorium clematitis DC., Eupatorium conyzoidesM. Vahl, Eupatorium divergens Less., Eupatorium floribundum Kunth, Eupatorium graciliflorum DC., Eupatorium odoratum L., Eupatorium sabeanum Buckley, Eupatorium stigmatosum Meyen & Walp., Osmia conyzoides (Vahl) Sch.-Bip., Osmia divergens (Less.) Schultz-Bip., Osmia floribunda (Kunth) Schultz-Bip., Osmia graciliflora (DC.) Sch.-Bip., Osmia odorata (L.) Schultz-Bip.
Common names: agonoi (Philippines), bitter bush (English), chromolaena (English), hagonoy (Philippines), herbe du Laos (French), huluhagonoi (Philippines), jack in the bush (English), kesengesil (Chamorro-Guam), mahsrihsrihk (Kosrae), masigsig (Chamorro-Guam), ngesngesil (Palau), otuot (Chuuk), rumput belalang (Indonesian Bahasa-Indonesia), rumput golkar (Indonesian Bahasa-Indonesia), rumput putih (Indonesian Bahasa-Indonesia), Siam weed (English), Siam-Kraut (German), triffid weed (English), wisolmatenrehwei (Pohnpei)
Description :Chromolaena odorata is an herbaceous perennial that forms dense tangled bushes 1.5-2.0m in height. It occasionally reaches its maximum height of 6m (as a climber on other plants). Its stems branch freely, with lateral branches developing in pairs from the axillary buds. The older stems are brown and woody near the base; tips and young shoots are green and succulent. Leaves simple, opposite, ovate, or rhomboid, serrate, or dentate, long petioled and bright green colored. leaves opposite, flaccid-membranous, velvety-pubescent, deltoid-ovate, acute, 3-nerved, very coarsely toothed, each margin with 1-5 teeth, or entire in youngest leaves; base obtuse or subtruncate but shortly decurrent; petiole slender, 1-1.5cm long; blade mostly 5-12cm long, 3-6cm wide, capitula in sub-corymbose axillary and terminal clusters; peduncles 1-3cm long, bracteate; bracts slender, 10-12mm long; involucre of about 4-5 series of bracts, pale with green nerves, acute, the lowest ones about 2mm long, upper ones 8-9mm long, all acute, distally ciliate, flat, appressed except the extreme divergent tip; florets all alike (disc-florets), pale purple to dull off-white, the styles extending about 4mm beyond the apex of the involucre, spreading radiately; receptacle very narrow .
Flowers seen in terminal or axillary panicled heads. The flowers are white or pale bluish-lilac, and form masses covering the whole surface of the bush (Cruttwell and McFadyen 1989). Seeds small and is crowned with silky hairs for wind dispersion. The root system is fibrous and does not penetrate beyond 20-30cm in most soils. The flowerheads are borne in terminal corymbs of 20 to 60 heads on all stems and branches.
Use
burns, hemorrhages, hemorrhoids, indigestion, skin diseases, traumatic injury, edema, fracture and infection. It is used traditionally in south india for the treatment of chikungunya ( if you take bath in the water boiled with leaf of a common plant your pain will reduce.)
Use
burns, hemorrhages, hemorrhoids, indigestion, skin diseases, traumatic injury, edema, fracture and infection. It is used traditionally in south india for the treatment of chikungunya ( if you take bath in the water boiled with leaf of a common plant your pain will reduce.)
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