If something is squarrose, it has spreading or curving parts that stick out like a square.
Squarrose can make people think of things that are not smooth or round, but have sharp edges sticking out.
Examples:
The plant has squarrose leaves that stick out in all directions.
The squarrose branches make the bush look big and wild.
The squarrose petals of the flower make it look unusual.
The squarrose cactus looks like it's trying to give everyone a hug!
The squarrose thorns on the vine make it impossible to touch.
The squarrose tree branches make it look like it's dancing in the wind.