Family: Dilleniaceae

Bengali/vernacular name: Chalta, Chalita.
Tribal name: Ulugach, Dabrusi (Chakma); Kra Aning (Marma); Jhaipola (Tipra); Thabru, Dabru, Chauralei (Murong).
English name: Elephant apple.

Description of the plant:
A medium-sized, semi deciduous tree, branches spreading. Leaves fascicled at the end of the branches, oblong-lanceolate, acuminate, 20-30 cm long, sharply serrate. Flowers white, large, up to 15 cm diam., solitary, towards the end of each branchlets. Fruit large, 7.5-10 cm diam., subglobose.

Using information:
The fruits are tonic and laxative; used in diarrhoea, dysentery and burns in Khagrachari. The fruit juice is used as a cooling beverage in fevers and as an expectorant in cough mixture. The bark and leaves possesses astringent properties (Yusuf et al. 2009).

Seed extract possesses antimicrobial activity (Asolkar et al.,1992).


Chemical constituents:
Chief contents of the fleshy sepals are tannins, malic acid, arabinogalactan and glucose. They also contain an arabinogalactan, betulin, betulinic acid and flavonoids. Bark and wood contain flavonoids, betulin, betulinic acid, betulinaldehyde, lupeol, β-sitosterol, myricetinhydroxy-lactone, dihydroisorhamneti, dillentin and glucosides. Leaves contain flavones, cycloartenone, betulinic acid, n-hentriacontanol and β-sitosterol. Stem bark contains betulinaldehyde, betulin, lupeol, β-sitosterol, myricetin, a new hydroxylactone, dihydro-isorrhamnetin, dillentin and glucosides (Ghani, 2003).

Wild in the forests; also planted in the villages throughout the country.