Abreojo, abreojos or Velcro, is are some of the names of several plants, usually herbaceous. Among them are the Centaurea calcitrapa, which is of the family Asteraceae. They also say cyanus, abriojo, cagatripa, calcitrapa, thistle, or chickpea of cure. The Ononis spinosa, which is of the family Fabaceae and is also called Shin, triggers, gatuna, Colt, balomaga is also abreojo. Another is Tribulus terrestris, which also is called abriojo, aburejo, ambrojo, mormaja, breakwater cat's claw. Another is Trifolium angustifolium, which has other names as abriojo, jisopo, jopito, farrerola. The latter is of the family Fabaceae.
