Minuartia caroliniana is a perennial herb flowering stems to 20 cm tall. Basal stems often matted, prostrate, from a taproot and woody root crown, ascending stems stiff, densely leafy below, glandular-hairy, slightly rough.
Leaves opposite, linear, rigid to 1 cm long, triangular in cross-section; flowering stalks to 6 cm, very slender, almost leafless, erect or ascending.
Flowers white, petals 5, to 0.8 cm, sepals to 0.3 cm; blooms May-July.
Fruit dry, a 3-valved capsule, seeds ca 0.1 cm, reddish-brown, warty.
Wetland status: UPL.
Frequency in NYC: Very infrequent.
Habitat: Dry sandy soil of pine barrens.