What is "richweed"

Richweed \Rich"weed`\, n. (Bot.) An herb ( Pilea pumila) of the Nettle family, having a smooth, juicy, pellucid stem; -- called also clearweed.

n. (taxlink Pilea pumila species noshow=1), a herb of the nettle family with a smooth, juicy, pellucid stem.

1. n. erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowers; the eastern United States [syn: horse balm, horseweed, stoneroot, stone-root, stone root, Collinsonia canadensis]

2. a plants of the genus Pilea having drooping green flower clusters and smooth translucent stems and leaves [syn: clearweed, dead nettle, Pilea pumilla]