Family: Gentianaceae

Bengali/Vernacular Name: Dhankuni

Description of the Plant:
An erect, much-branched, slender annual, 15-60 cm high. Leaves membranous, 1.8-4 cm long, 3-nerved, broadly ovate, acute; lower smaller, elliptic, acute. Flowers numerous, rosy, in lax, diffuse, paniculate cymes; calyx tube up to 6 mm long, 4-ribbed; corolla tube up to 8 mm long. Capsule oblong, 4-7 mm long.

Using Information:
The Plant is used as a nerve tonic and substitue for Canscora decussata.

Chemical Constituents:
Aerial parts and flowering tops contain free xanthones, xanthone glucosides, (-)-loliolide, methoxy- and hydroxyxanthones and its 3-O-rutinosyl derivative. Roots contain β-amyrin, friedelin, gentianine, xanthones, and 16 xanthones including mangiferin. Ash of the herb renders salts containing iron, potassium, calcium, nitrates and carbonates (Asolkar et al., 1992).

Chittagong, Maheshkhali, St. Martins (Cox’s Bazar), Kaptai, Lama, Faridpur, Barguna, Rajshahi, Kustia, Dhaka, in fallow lands.