from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of several plants of the genera Spermacoce and Diodia, of the madder family.
from the GNU version of the Collaborative International Dictionary of English
- n. The name of several plants of the genera Spermacoce and Diodia, of the Madder family.
from The Century Dictionary and Cyclopedia
- n. A name given to several rubiaceous plants belonging to the genera Spermacoce, Diodia, and Borreria.
- n. The knapweed, Centaurea nigra.
New York stock trading can be traced to 1792, when traders first made a deal under a buttonweed tree on Wall Street.
Has he ever discovered those deceptive creatures which pretend for all the world to be leaves of lady's-bedstraw, or dress themselves up as flowers of buttonweed?
Virginia buttonweed spreads by seed and plant segments.
Re: E-mail Q: Help with lawn weeds? it looks like Virginia buttonweed. pull what you can.