laurentia

A large continental craton and ancient paleocontinent that forms the geological core of North America and Greenland, having existed as an independent landmass during the Precambrian and early Paleozoic eras.

Any of various delicate herbaceous flowering plants of the former genus Laurentia (now mostly classified under Isotoma or Solenopsis) in the bellflower family Campanulaceae, native to Australia, the Americas, and the Mediterranean, cultivated in gardens for their abundant, fragrant, star-shaped blue, purple, pink, or white blossoms.