ABROMA AUGUSTA L.

Family: Sterculiaceae

Bengali/vernacular name: Ulatkambal.
Tribal name: Polumaoeba (Chakma); Daiya (Garo).
English name: Devil's Cotton.

Description of the plant:
ABROMA AUGUSTA L. is a large shrub. Leaves large, 10-15 by 10-12.5 cm, repand-denticulate, upper smaller, narrower, entire. Flowers solitary, axillary, pendulous, peduncle up to 4 cm long; sepals 2.5 cm, lanceolate; petals scarcely exceeding the sepals, dark red.

Using information:
Root bark is uterine tonic and a reputed emmenagogue. It is used in amenorrhoea and dysmenorrhoea; regulates irregular menses and pain. The fresh viscid juice of the root-bark is useful in the congestive and neuralgic varieties of dysmenorrhoea. Leaves and stems are demulcent. Petioles are useful in dysentery, weakness and burning urination.


Abroma Augusta.jpg
ABROMA AUGUSTA L.


Petioles are cut into pieces and soaked in water overnight, filtered in the next morning and taken with sugar in burning urination and seminal weakness. Seeds are used for neck pain by the Chakma in Khagrachari district (Yusuf et al. 2009.

Aquous extract of root is galactagogue in albino rats. Petrolium ether extract of roots showed antiimplantation and abortifacient properties. Linoleic acid present in the seed has anticholesteremic properties. Root powder and leaf juice has got estrogenic properties (Asolkar et al., 1992).

Chemical constituents:
Leaves contain taraxerol, its acetate and β-sitosterol. Stem bark contains friedelin and β-sitosterol. Root and root bark contain gum, fixed oil, resin, alkaloids, abromine, choline and betaine, β-sitosterol, stigmasterol, digitonide, magenesium salts of hydroxyl acids and polysaccharide. Seeds contain 20.2% fixed oil with 71.5% linoleic acid. Augustic acid an oleanane derivative and a stigmasterol glycoside have been isolated from the roots. Heartwood contains β-sitosterol, glycol and octacosane-1, 28-diol (Ghani, 2003; Rastogi & Mehrotra, 1993; Asolkar et al., 1992).

Distribution:
Generally cultivated.