In Colombia and especially on the Atlantic coast is a duel of verses between two singing vallenatos to accordion music. Verse improvised to the rhythm with much originality. It is the plural of piqueria. Repentismo picaresque and cheerful. Piqueria is also the name of a plant of the family Asteraceae, with scientific name Piqueria trinervis, also called grass of San Nicolas, white hair of Earth, Altareina, Tabardillo, Flor de san Nicolas.