ghostweed

== English == === Etymology === From ghost +‎ weed, from its striking white appearance. === Noun === ghostweed (uncountable) The plant Euphorbia marginata. Synonyms: snow-on-the-mountain, smoke-on-the-prairie, variegated spurge, white-margined spurge === References === Euphorbia marginata on Wikipedia.Wikipedia Euphorbia marginata on Wikispecies.Wikispecies Category:Euphorbia marginata on Wikimedia Commons.Wikimedia Commons