silverweed

(silvər wēd′)

noun

  1. a trailing perennial cinquefoil (Potentilla anserina) with pinnately compound leaves which are silvery beneath
  2. any of a genus (Argyreia) of tropical, shrubby, climbing plants of the morning-glory family, with silvery leaves

See silverweed in American Heritage Dictionary 4

noun
A low-growing, stoloniferous plant (Potentilla anserina) having yellow flowers and rosettes of pinnate leaves that are silvery beneath. Also called goose grass.
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