buttonweed

Etymology

From button + weed.

noun

  1. Any of numerous species of plants with button-like flowers, especially:; Any of several plants of the genera Diodia and Hexasepalum (syn. Diodella), of the madder family.
  2. Any of numerous species of plants with button-like flowers, especially:; False buttonweed (Spermacoce spp.).
  3. Any of numerous species of plants with button-like flowers, especially:; Velvetleaf, Indian mallow (Abutilon theophrasti).
  4. Any of numerous species of plants with button-like flowers, especially:; Certain knapweeds (Centaurea spp.).
  5. Any of numerous species of plants with button-like flowers, especially:; Clustered bluet (Oldenlandia uniflora).
  6. Any of numerous species of plants with button-like flowers, especially:; Dwarf mallow, common mallow (Malva neglecta).