buttonweed

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noun

Any of several plants of the genera Diodia and Hexasepalum (syn. Diodella), of the madder family.

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Meanings

nounbuttonweed (plural buttonweeds)

plural buttonweeds

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

Synonyms & antonyms

Also see
velvetleaf

Origin

From button + weed.

Full word history & related roots →
Cite this entry
APA

buttonweed. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/buttonweed

MLA

“buttonweed.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/buttonweed. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “buttonweed,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/buttonweed.

Source: buttonweed on Wiktionary, CC BY-SA 4.0.