Lysimachia

Herbs, mostly perennial. Leaves alternate, opposite or whorled. Flowers usually in spicate racemes, sometimes in panicles, dirty white, dark red or purple. Calyx divided almost to base; segments 5 or 6, oblong. Corolla usually longer than calyx; tube subcylindric or campanulate; lobes longer than tube. Stamens arising from corolla tube, included or exserted; filaments glabrous; staminodes rarely present. Ovary superior, globose or ovoid; style cylindric, +/- as long as corolla; stigma minutely 3-lobed. Capsule surrounded by persistent calyx and with persistent style, opening by 5 valves at apex, rarely irregularly dehiscent. Seed brown, 3-angled. x = 12 (8, 9, 10, 14, 17) (high polyploidy, B-chromosomes).