.. in full bloom in my colony. From afar, they are a brilliant sight. For an intruder, it is the worst nightmare.
They are thorny, woody, vines growing anywhere from 1-12 meters tall, scrambling over other plants with their hooked thorns. The thorns are tipped with a black, waxy substance that is easily left in the flesh of an unsuspecting victim.
(Source: wikipedia entry)
(Photograph shot from my nokia 3110c – 1.1Mp)