Limnanthes alba

Plants 8-40 cm; herbage glabrous or sparsely to densely hairy. Stems erect. Leaves 2-10 cm; leaflets 5-9, blade oblong, ovate, lanceolate, or linear-lanceolate, margins entire or shallowly 2-lobed to deeply 3-lobed. Flowers bowl- to bell-shaped; sepals accrescent or not, lanceolate, ovate, or lanceolate-ovate, 4-8 mm; petals white or cream (sometimes cream basally, aging or drying pink or lilac), obovate, obovate-cuneate, or obcordate, 8-16 mm, 1-1.5 times as long as wide, 1.25-2.1 times longer than sepals, apex usually emarginate, sometimes truncate; filaments 3-6 mm; anthers 1-2 mm; style 2-6 mm. Nutlets gray or dark brown, 3-4 mm, tuberculate or not, sometimes ridged, tubercles gray or dark brown, relatively low and wide. 2n = 10.