Arenaria serpyllifolia, commonly known as thyme-leaf sandwort, is a plant in the family Caryophyllaceae. It is a fairly common little plant that grows in obscure corners of the landscape. Because of its small stature and nondescript appearance.
Arenaria serpyllifolia is an annual, sometimes biennial, plant growing 3-40 cm or more tall from a taproot. The main stem usually branches freely, mainly near the base, to produce up to 100 erect to ascending or sprawling stems. The plant is harvested from the wild for local use as a food and a medicine. It has spread, mainly through human activity, and has become a weed in many parts of the globe. The plant prefers rocky and hillside ridges, meadows, gravel patches, sandy banks, river banks, road and railway embankments, fallow fields, wasteland, yards.