Mat-forming survives in water, wetlands and dry conditions.
This a very fast growing variable sprawling perennial groundcover with prostrate branches that root at the nodes and it grows about 20cm. Some of the branches become erect and may reach a height of 450 mm or even taller if growing up through other vegetation. The little flowers may be white or varying shades of blue or mauve. It flowers from November to June. The fruit is a capsule containing a number of small seeds. This is a fast growing species especially in warm, damp conditions. Bees have been seen visiting the flowers and are presumably the pollinators of this species. It is a very attractive,lovely looking groundcover for wetland areas and dry condition. Named for Masthias de L'Obel (1538-1616) a Flemish botanist, traveller and plant collector. He studied medicine and was physician to William, Prince of Orange. he left the Netherlands to escape the civil war and went to England to be King James's physician. He wrote describing 1500 plant species.