Polycarpon L.
Small annual to perennial herbs. Hairs simple or 0. Lvs opposite or appearing whorled, obovate to orbicular. Stipules scarious. Infl. a terminal dichasium; bracts scarious; epicalyx 0. Sepals 5, free, keeled and hooded. Petals 5, white, < sepals, entire; coronal scales 0. Stamens (1)-3-5. Styles 3, united at base. Fr. an ovoid capsule, dehiscing by 3 deep valves; carpophore 0. Seeds numerous, small, smooth to tuberculate, not winged.
c. 20 spp., cosmopolitan. Naturalised sp. 1.
