Medicinal Plants of Bangladesh
Medicinal Plants Database of Bangladesh includes the authentic Taxonomic Information, Vernacular/Bangla Name, Tribal and English Name, Family, Description and Photograph of the Plants, Chemical Constituents, Uses and Distribution of the species in Bangladesh. MPBD also contain dictionary of Botanical and Pharmacological terms.
Synonyms: T. aspera Roxb.
Bengali/Vernacular Name: Bara Hikand, Vrahikanda.
Description of the Plant:
A herb with oblong curved rootstock. Leaves entire, elliptic ovate, acuminate, 20-40 cm long, strongly nerved. Scape maroon-brown, about as long as the petiole, stout, recurved or bent to one side, few-flowered. Involucral bracts large, spreading, foliaceous, purplish-black; 2 inner larger than the 2 outer; bracteoles long, filiform, pendent. Flowers pale, perianth greenish purple and yellow or dirty lilac, outer lobes subulate, rather shorter than the obtuse inner. Berry almost 4 cm, oblong, fleshy.
The tubers are digestive and tonic; used in haemorrhagic diathesis, skin diseases and leprosy.
Tuber contains saponin steroids, diosgenin, costanogenin, quercetin-3-arabinoside, taccalin, betulinic acid, n-triacontanol, proteins and amino acids, glycine, valine, leucine and γ-aminobutyric acid (Ghani, 2003).
Forests of Chittagong, Chittagong Hill Tracts and Moulvi Bazar.