Aizoon secundum

Aizoon secundum, the onesided galenia, is a species of flowering plant native to southern Africa, including Botswana, Namibia, and South Africa (Cape Provinces, Free State, and Northern Provinces). It is naturalized in Australia (Western Australia, Victoria, Tasmania and New South Wales), Spain, and the United States (Florida and New Jersey). In Spain and Australia, is considered an invasive weed threatening native vegetation. Aizoon secundum is shrub or perennial herb with grayish-white stems that trail along the ground for as much as 60 cm, forming mats. Leaves are grayish-white, folded inward, up to 2.5 cm long. Flowers are small, white to yellowish, up to 2 mm in diameter, often hidden by the leaves....read more on Wikipedia.