ALLAMANDA CATHARTICA L.

Family: Apocynaceae

Bengali/Vernacular Name: Malatilata, Ghanta Phul, Harkakra.

Description of the Plant:

A woody much-branched stragling shrub. Leaves obovate-lanceolate, entire, 8-11 cm long, glossy, acuminate, 4 in a whorl, occationally 2 or 3. Flowers in axillary cymes, large, yellow, about 12 cm across, tube funnel-shaped, about 7.5 cm long; calyx about 1.5 cm long, sepals 5, ovate, acuminate.

Using Information:

The bark acts as a hydragogue in ascites. The leaves are a valuable cathartic in moderate doses. The root is used as a remedy for snake-bites.

Alcoholic and aquous extract of root is hypotensive. Leaf extract showed antifungal and anticancer properties (Asolkar et al., 1992).

Chemical Constituents:

Roots contain an anti-leukaemic iridoid lactone, allamandin and two other iridoids, allamandicin and allamdin. Leaves and stems yield ursolic acid, ß-amyrin and ß-sitosterol. Leaves also contain sesquiterpenes. Flowers contain kaempferol, quercetin and hesperitin. Stem, root bark and leaves contain plumericin and isoplumericin. Stems and root bark contain triterpenoids lactones, alkaloid and glucoside. Plumieride and a long chain ester have been isolated from leaves and roots (Ghani, 2003; Asolkar et al., 1992).

ALLAMANDA CATHARTICA L.
ALLAMANDA CATHARTICA L.

Distribution:

Cultivated as an ornamental plant in gardens throughout the country.