Description biennial plant, root booklets, cylindrical, with abundant radículas. The stem is erect, hollow, hairless, branched. The lower leaves are arranged in rosette and are ovadas. The senior, however, are
, amplexicaules, uncinadas, thorny. The
nerviación leads Aculeo. The inflorescence is composed of
small spike apical flowers
color, ray. The fruits are achenes, black, small in size, with Vilan terminal. Parenchyma of the bark possesses abundant lactiferous vessels. It grows spontaneously everywhere, preferably on, floors and calcareous sunny. Is collected during flowering, which takes place in late
. You can reach and exceed the meter in height. The leaves and parts used latex (lactuario)
Alkaloid compounds chemically ill - defined,
substances, esters (lactucerol) lactupicrina and lactucina, alcohols, enzymes.
Sedative and hypnotic properties.
Instructions for use infusion, fluid extract, juice.
obtained by lactuario incision in the vessels lactiferous the stem. It
an action similar to opium,
does not create dependency. However, it should not be neglected its toxic action, which can lead to death from