Plants annual; roots fibrous. Stems prostrate to suberect, 2-15 cm; trichomes conspicuous at nodes and in inflorescence. Leaf blades linear to lanceolate, terete to hemispheric, 4-15 × 0.5-3 mm, apex subacute to subobtuse; involucrelike leaves 7-10(-12). Flowers 6-12 mm diam.; petals medium pink to almost white, oblong-elliptic, 3-5 × 1.5 mm, apex acute; stamens 8-13; stigmas 4-5. Capsules subglobose, 2-3.5 mm diam. Seeds black or leaden, elongate, flattened, 0.6-0.8 mm; surface cells stellate, tuberculate. 2n = 18.
Home