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Ageratum conyzoides L.

Duration: Annual
Family: Asteraceae - Aster family
Group: Dicot
Growth Habit: Herb

Bangla/Vernacular Name: Ochunti, Fulkuri, Dochunti

Tribal Name: Ourah (Bawm), Monipuizza Kher (Chakma), Chettagang-acha (Khumi), Chunachu appa (Marma), Monimoijja kher (Tanchangya), Saminum ,Submenum (Tripura).

English Name: Appa Grass, Goat weed.

Description of the Plant:

An erect, annual, foetid herb. Stems terete, pilose. Leaves opposite, ovate, 3-nerved from base, sparsely pilose. Inflorescence a terminal corymb. Flowers pale blue, in small head

Ageratum Conyzoides L.

Ageratum Conyzoides L. All Rights Reserved.

Chemical Constituents:

Herb contains friedelin, sterol, ß-sitosterol, stigmasterol and a-spinasterol, hydrocarbons, coumarin, flavonoids, hydrocarbons, caryophyllene, quercetin, kaempferol, chromones, phenol, essentisl oil and anti-gonadotropic hormones, precocenes 1 & 2. Leaves and stem contains alkaloids, stigmasterol (major), dotriacontene, fumeric, caffeic acids, 7-OMe-2, 2-di-Me-chromen (e) and new flavone, 5'-OMe-nobiletin. Leaves also contain stigmat-7-en-3-ol (major component).

A new chromine, conyzorigum have been isolated from leaves of Nigerian plant. The plant is a good source of potassium. Eleven chromenes, sitosterol, sesamin and caryophyllene oxide have been found in the aerial parts. Nine methoxyflavones were isolated from the aerial parts. The leaves, flowers and roots contain the anti-juvenile hormones, precocenes I & II. Aurantiamide acetate has also been isolated from this plant (Ghani, 2003; Asolkar et al., 1992).

Essential oil obtained from semi-dried whole herb (yield, 0.16%) composed of ageratochromene, 6- demethoxyagratochromene, ?-cadinene, ß-caryophyllene, d-a-pinene, ocimene, d-cadinene, eugenol and methyleugenol; first two are the major components. Plants grown in North Vietnam contain ?-cadinene, caryophyllene, demethoxyagratochromene and ageratochromene as main constituents (Asolkar et al., 1992).

Mode of Uses:

  • Paste prepared from leaf is applied to forehead for the treatment of headache (Khumi).
  • A root extract is taken internally and also applied to the whole body for the treatment of hysteria (Tanchangya).
  • Leaves with 13 other plants (see Allium sativum) are used to make pills to be taken thrice daily before food for the treatment of abdominal tumours (Tripura).
  • Paste prepared from leaf is applied to forehead for the treatment of headache (Bawm).

Distribution:

Common in fallow lands, throughout the country.


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