Stellaria graminea is a perennial herb; stems to 50 cm long, very slender, sharply 4-angled, weak, reclining on other vegetation, reproducing vegetatively from stem fragments that root at nodes (Uva et al., 1997).
Leaves opposite, linear to 5 cm long, 0.7 cm wide, tip pointed, base stalkless.
Flowers white, about 1 cm wide, sepals 5, 3-veined, tip pointed, petals 5, slightly longer than sepals, split almost to base, and so appearing to be 10, on long, thin stalks, inflorescence wide, divergently branching, diffuse, elongate; blooms May-July.
Fruit dry tan capsules with small, brown warty seeds.
Wetland status: FACU-.
Frequency in NYC: Infrequent.
Habitat: Open, moist sites, meadows, roadsides.