Swamp cypress has roots that grow upward and out to the surface of the soil. What are these roots called?

Swamp cypress has roots that grow upward and out to the surface of the soil. What are these roots called? What is the biological significance of this phenomenon? Why does such roots develop?

1) respiratory;
2) respiratory roots – the adaptation of the cypress to life in a swampy area, the soil of which is poor in oxygen;
3) the roots need to independently obtain oxygen for themselves: they grow straight up, come out of the silty soil into the atmosphere and breathe atmospheric air.