Description: Annual grass of raised stem, up to 50 cm. of height, angular, slightly pubescente. The leaves are you argue ovadolanceoladas, acute, with the margin somewhat indented and the lamina covered with hairs. Glanduloso margin. The flowers, that are grouped in terminal tops or the armpit of the leaves, presea clear bluish color. The fruits are swollen capsules, acostilladas, that contain seeds of brown color. It is an original plant of America and it is collected when arriving at the flowering.
Note: The plant is very poisonous, reason why it does not have to be used if it is not with strict medical checkup. They are made prepared with lobelina to obtain the deshabituación to the tobacco. The plane presents/displays sinergismo with the belladona, estramonio and the visco.