Rumex L. >

Leaf bases cordate, cuneate or rounded. Inner perianth segments leathery, often toothed, not inflated Rumex
Inner perianth segments with long teeth, with or without a tubercle
Flower clusters with linear leaves longer than the flowers
Flowers 2–8 in each whorl arranged in a spreading panicle. Perianth valves narrow-triangular, c. 2 mm wide with a tooth on each side at the base, acuminate. Basal leaves narrow-oblong. Cumberland Plain. Uncommon Rumex stenoglottis