from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A form of knotweed, the water pepper, Polygonum hydropiper
from the GNU version of the Collaborative International Dictionary of English
- n. A species (Polygonum Hydropiper) of knotweed with acrid foliage; water pepper; smartweed.
Sorry, no etymologies found.
Polygonum hydropiper is a widespread native of wet areas in the Northern Hemisphere.
Polygonum punctatum, Ell.Sk. Polygonum hydropiperoides, Ph. Polygonum hydropiper, Mx. Water pepper; Smartweed; Biting knotweed.
Resources of the Southern Fields and Forests, Medical, Economical, and Agricultural. Being also a Medical Botany of the Confederate States; with Practical Information on the Useful Properties of the Trees, Plants, and Shrubs