bouncing bet(n = noun.plant) bouncing bess, hedge pink, saponaria officinalis, soapwort - plant of European origin having pink or white flowers and leaves yielding a detergent when bruised;
is a kind of flower
is a member of genus saponaria, saponaria

bet, bet on, bouncing, bouncing bess, bouncing betty, bouncing putty, place bet, shin bet, you bet