Etymology: Arenaria: from Latin arena, "sand," referring to the sandy habitats of many species
Plants: more or less erect, annual, delicate, softly-hairy forb; taprooted
Leaves: usually 8-10 opposite pairs, less than 1/3" long, small, relatively broad, ovate
Flowers: white, 5-parted, 1/4" wide, stalks thin, un-notched petals usually shorter than the sepals; inflorescence a branched cluster; blooms May-Aug.
Fruits: oval-conical capsule with 6 slits opening when mature; plump, gray to reddish brown seeds
Habitat: disturbed areas; in sandy, rocky soil
Conservation Status: Introduced - naturalized
Flora of North America: Flora of North America Floristic Rating: Wetland Indicator = FAC USDA Plants Database: Federal Distribution and detailed information including photos Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. Illinois Wildflowers: Wonderful photographs; detailed descriptions; color and leaf arrangement key