PARTE UTILIZADA= Used part: Hojas, cortejas y flores. Escasamente la raíz.

ACCIÓN FARMACOLÓGICA= Pharmacological action: Espasmódico, diurético (ambos estudiados en ratas).

COMPOSICIÓN QUÍMICA= Chemical composition: Teconina, tecomanina, tecostanina, tecostidina, actinidina, ácido antranílico, boschmiakina, skitantina, ácido antranílico, skatole, alfa-amirina, ácido ursólica y ácido oleánico, etc.

ZONA GEOGRÁFICA= Geografical zone: Crece en matorrales, laderas rocosas abiertas y bosques secos subtropicales hasta los 1500 metros de alturas.

Infusion of the leaves is a diuretic according to one source, an antidiuretic according to another (Lozoya-Meckes and Mellado-Campos 1985; Uphof 1968; Vines 1960).

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Uses: chickenpox, dengue, fever, measles, flu.                                                 

Origin: Argentina, Belize, Bolivia, Caribbean, Costa Rica, Ecuador, El Salvador, French Guiana, Gabon, Guatemala, Guyana, Honduras, Mexico, Nicaragua, Panama, Peru, USA, Uruguay, Venezuela.                 
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Range. New World tropics.

Uses
Bark: Utilized as an antisyphilitic and as an antidote in alcohol poisoning.

Leaf: Used for hypoglycemic properties.

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Origin

Cultivated in gardens.

Action:

Leaves—hypoglycaemic (tecomine and tecostanine are hypoglycaemic alkaloids).

Root—diuretic, vermifuge.

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Origin

Central America

Folk medicinal uses

The use of Tecoma stans to combat hyperglycaemia for almost 100 years has aroused scientific interest in identifying the principles responsible for this property attributed to Tecoma in folk medicine.

Leaves - At the beginning of the present century, some Mexican scientists included it in their works on medical matters, recommending an infusion of the leaves of T. stans for the treatment of hyperglycaemia. It has also been attributed properties as a eupeptic and general tonic, to combat gastritis ot alcoholic origin and dysentery. For such purposes it is recommended that an infusion of the leaves be drunk daily. At present the Mexican people use mainly an infusion of the leaves of tronadora to control the symptoms of Diabetes mellitus.

Root - The roots of the tronadora have been recognized to possess diuretic, tonic and even antisyphilitic properties, although none of these have been scientifically corroborated.

1) Nicholson Michael S. ; Arzhennithe, Charles . Economic Botany. vol. 47 . --p. 184-192 1993

2) Geraldini , Isanete, Journal of Ethnopharmacology v. 173, 2015 . -- p. 383-423

3) DeFilipps, Robert A.; Krupnick, Gary A. / PhytoKeys, v. 102. - - p. 1 - 314,  2018.

4) Khare, C.P./ Indian Medicinal Plants. -- Nueva Dheli: Springer, 2007 . - p 649.

5) Some medicinal forest plants of Africa and Latin America 67/ FAO. – FAO: Rome, 1986. – p.  238.