baby's-tears

or ba·by-tears

[bey-beez-teerz]
noun, plural ba·by's-tears. (used with a singular or plural verb)
  1. a mosslike plant, Soleirolia (or Helxine) soleirolii, of the nettle family, native to Corsica and Sardinia, having small, roundish leaves and minute flowers.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018