Perennial grass, acaule, with rizomas aromatic of shining yellow color in its interior. Leaves with long pecíolos; oblong or elliptical limb, of 30 to 50 cm in length and of 8 to 18 cm. wide, close towards the base and acuminado in the apex. Yellow flowers grouped in showy basal ears, accompanied by violáceas brácteas. Capsular, globoso fruit, 3-valvo; ovoid seeds, commonly areladas.
Fenología
Geofita of rizoma. It blooms between July and October and fruit formation has not been observed. After the flowering the foliage is dried (December-January) and the following year reappears between May and June.
Location
Barely cultivated in Cuba. Occasionally culture escape, mainly in mountainous regions of the central and Eastern regions.
Useful part
Rizoma.
Properties valued experimentally
Systems: Farmacológica action:
Hepatoprotectora Digestive.
Via of administration
Oral.
Other attributed properties
Antiinflammatory, hipoglicemiante, antiesclerótica, antihepatotoxica, diurética and carminativa Antitrombótica.
Warnings
The dust of rizomas can produce allergy by contact in skin. The toxicológica evaluation is incomplete.
Other uses
Like condimento (curry). Rizomas contains a yellow colorante matter. It is used in addition as indicating to determine the acidity of means (it changes of yellow to red carmelitoso in the presence of alkalis).
Components
Rizoma contains a rich essential oil in monoterpenos (borneol, camphor, terpineno and others) and sesquiterpenos (tumerona, atlantona and curcumenol).
Preparation and dosage
To use it of traditional form.
Bibliographical references
Granda, M. ET al.: Fenológicos studies in medicinal plants. Rev Plantas medicinal 19: 53-64,1989.
MINFAR: Eatable wild plants. Havana. It presses Officers' Club of Revolutionary Armed Forces, 1987.
Reynolds, J. And F. (publisher): Martindale. Extra The Pharmacopoeia. London. The Pharmaceutical Press, 1989, P. 1896.
Robineau, L.: Towards a Caribbean farmacopea. Sto. Domingo: Enda-Caribe/UNAH, 1991, P. 136.
Roig, J. T.: Medicinal, aromatic or poisonous plants of Cuba. Havana. Ed. Cienti'fico-Te'cnica, 1988, P. 1125.