To 50CM. Variable robust aquatic perennial with thick, woody rhizomes, cylindrical tubers. Dense 52-320 flowered spike with small greenish flowers, fruit strongly twisted. In freshwater to 2M deep.
To 50CM. Variable robust aquatic perennial with thick, woody rhizomes, cylindrical tubers. Dense 52-320 flowered spike with small greenish flowers, fruit strongly twisted. In freshwater to 2M deep.