DESCRIPTION: The Florida semaphore is a tree-like cactus with a distinct trunk and a cluster of spines at the top. The cactus has a dull-gray, fleshy stem with shrubby branches that can grow to a ...

degradation and other factors like invasive species that threaten the integrity of these terrestrial ecosystems." All hope is not lost. Scientists have been cultivating the Key Largo tree cactus ...

60-year-old Palestinian Mahfoza Oud cries and hugs her olive tree in the West Bank village ... Despite its thorny outside, the cactus is much loved in Palestine. The plant can flourish in dry ...