*Rumex conglomeratus
Perianth valves oblong, obtuse, 2–3 mm long, each usually with a large oblong tubercle. Flower clusters rather distant, leafy at the summit, in a loose panicle with stiff spreading and ascending branches. Lower leaves oblong-lanceolate, crisped. Widespread. Weed of cultivation, waste places and pastures. Introd. from Europe and Asia. Clustered Dock