Stellaria Genus chickweed; stitchwort Caryophyllaceae

Stellaria media.commons.wikimedia.org

Stellaria media.commons.wikimedia.org (Accessed 5/2014).

Stellaria is a genus of low herbs; no stipules (appendages at the base of leaves). 

Leaves opposite, small, simple (not divided), entire (not toothed or lobed). 

Flowers usually white or greenish, petals 5 to none, deeply divided in two parts (bifid) so appearing as 10 petals, sepals 5, stamens 10 (usually), ovary superior (attached above the other flower parts). 

Fruit dry, a capsule opening at top; seeds numerous.