131140 BROAD-LEAVED DOCK Rumex obtusifolius (Polygonaceae) Height to 1m. Familiar upright perennial of field margins and disturbed meadows. FLOWERS are borne in loose spikes that are leafy at the base (Jun-Aug). FRUITS have prominent teeth and 1 tubercle. LEAVES are broadly oval, heart-shaped at the base and up to 25cm long. STATUS-Widespread and extremely common throughout.