Canscora alata (ROTH) WALL.
| Synonym : | Canscora decussata Roem. & Sch. Cobamba blancoi Blanco Exacum alatum Roth Pladera decussata Roxb. |
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| Bangla Name : | Dhankuni. |
| English Name : | - |
| Family : | Gentianaceae |
| Disease : | Laxative, alterative, tonic, fresh, insanity, epilepsy, gonorrhea, leucorrhoeal and spermatorrhoeal discharge. |
| Description : | An erect, branching annual, up to 60 cm high. Stems 4-winged. Leaves 2.5-3.8 cm long, oblong-lanceolate, acute 3-nerved. Cymes lax, the branches erect rigid. Flowers white, those in the forks long-pedicelled, calyx 8-13 mm long, winged, corolla tube as long as calyx. Capsule subcylindrical, 6-8 mm long, tipped by persistent style. |
| Distribution : | Chittagong, Dhaka, Sreepur (Gajipur), Madhupur, Chuadanga, Paharpur, Naogon, Comilla, Sylhet in fallow lands |
| Chemical Constituents : | Aerial parts and flowering tops contain free xanthones, xanthone glucosides, (-)-loliolide, methoxy- and hydroxyxanthones and its 3-O-rutinosyl derivative. Roots contain ?-amyrin, friedelin, gentianine, xanthones, and 16 xanthones including mangiferin. As |
| Uses : | The plant is useful as laxative, alterative and tonic, fresh juice is prescribed in insanity, epilepsy and nervous debility. It is a valuable alterative, prescribed as a blood purifier in syphilis, gonorrhoea and other chronic skin ailments. Root bark is |
| Habit : | Shrub |