RICHWEED
richweed, clearweed, dead nettle, Pilea pumilla
(noun) a plants of the genus Pilea having drooping green flower clusters and smooth translucent stems and leaves
Source: WordNet® 3.1
Etymology
Noun
richweed (plural richweeds)
Pilea pumila, a herb of the nettle family with a smooth, juicy, pellucid stem.
Synonyms
• clearweed
Source: Wiktionary
Rich"weed`, n. (Bot.)
Definition: An herb (Pilea pumila) of the Nettle family, having a smooth,
juicy, pellucid stem; -- called also clearweed.
Source: Webster’s Unabridged Dictionary 1913 Edition