Silene stellata is a perennial herb, 30-120 cm tall with several finely hairy, stiff stems.
Leaves opposite, stem leaves in whorls-4 except upper and lowermost, lanceolate, tips long pointed, 3-10 cm long, to 4 cm.
Flowers white, petals 0.8-1.1 cm, deeply fringed, (8-12 lobed), calyx 0.5-1.2 cm long 5-lobed (Yatskievych 2006); inflorescence of sparsely branched clusters; blooming June-Aug.
Fruit a round capsule, opening by 6 teeth which curl outward on dry, winter plant.
Wetland status: UPL.
Frequency in NYC: Infrequent.
Habitat: Dry, rocky woodlands or open areas.