Ligneous, very graft grass, of up to 80 cm. of height. Opposite leaves dark green color, shining in the superior part, short pecioladas., solitary relatively great, axillary flowers or in small groups; corola of variable coloration, between target and violet. Fruit in follicle, dehiscente, green Carmelite when maturing, containing many seeds of black color.
Origin
Natural of Madagascar (south-Eastern Africa), at the moment extended by tropical regions worldwide.
Location
Cultivated like ornamental and by its medicinal properties. Escape of the culture in sandy coasts, lands in around population and by highways and ways.
Useful part
The flowers
Form of harvesting
To take flowers with unfolded petals (horizontal) independent from its color or to use preferredly fresh
Ornamental plant. Industrial source of raw material of alkaloids with antitumorlike properties
Components
The leaves and the roots are characterized by the presence of more than 60 alkaloids of the group of the Hindu to them. Between most important by their antineoplásica activity are the vincristina and vinblastina.
Culture
To propagate by seeds. Seedtime must be made in the first months of the winter and the position must be intensified by not less than 60 days. They develop in all type of ground and requires to be cultivated to total sun. Little demanding as far as the water provision
Form of preparation
To boil by not less than 5 min. a handful of fresh flowers by liter of water. When cooling to place with cottons on the eyes
Bibliographical references
Granda, M. and Lerida Acosta. Notes on the culture of medicinal plants IV: Catharantus roseus (L), G. Don (vicar). tropical cultures 6(2):491-498; 1984
Cuellar, To and Red Nidia. The inhibiting microbiological action of several extracts of the Cantharanthus roseus (L.) G. Don (Report); University of Havana, 1986.
Medicinal, aromatic or poisonous Rogi, J. T. Plantas of Cuba. Havana: Technical Scientific editorial, 1988, 1125 p.