SILVERWEED
silverweed, goose-tansy, goose grass, Potentilla anserina
(noun) low-growing perennial having leaves silvery beneath; northern United States; Europe; Asia
silverweed
(noun) any of various twining shrubs of the genus Argyreia having silvery leaves and showy purple flowers
Source: WordNet® 3.1
Etymology
Noun
silverweed (countable and uncountable, plural silverweeds)
Any of several species of low-growing flowering plants, the leaves of which are silvery underneath, some now assigned to the genus Argentina, most previously assigned to genus Potentilla.
Synonyms
• goose grass
Source: Wiktionary
Sil"ver*weed`, n. (Bot.)
Definition: A perennial rosaceous herb (Potentilla Anserina) having the
leaves silvery white beneath.
Source: Webster’s Unabridged Dictionary 1913 Edition