What does burweed mean?
Burweed is a common name given to any of several low-growing plants that produce prickly, bur-like fruits, most familiarly lawn burweed (Soliva sessilis), a tiny annual that forms flat mats in lawns, parks, and sports fields throughout warm temperate and subtropical regions. For most of the year the plant goes unnoticed, hugging the soil with finely divided, fern-like foliage; the trouble begins when its flowers ripen into hard, spine-tipped burs that pierce bare feet, puncture tyres, and cling stubbornly to clothing and animal fur. Because these seeds germinate in autumn and mature by late spring, gardeners who want to control burweed must act during the cool season, since the plant dies off naturally once hot weather arrives. The word itself simply combines 'bur' — the Old English term for a prickly seed case — with 'weed', signalling exactly what gardeners think of it. Though a nuisance to lawn-owners, burweed plays a modest ecological role, offering nectar to small pollinators early in the year.
nounAny of various low-growing plants that bear prickly or hooked burs, especially lawn burweed (Soliva sessilis), a creeping annual of warm regions whose spiny fruits puncture bare feet and cling to clothing.
- Any of several plants producing prickly burs, especially Soliva sessilis (lawn burweed), a low annual weed of lawns and turf in warm climates whose spiny fruits pierce skin and attach to fabric.
"The children came in from the paddling pool hopping about, their soles studded with the needle-sharp burs of the burweed scattered across the lawn."
"The children came in from the paddling pool hopping about, their soles studded with the needle-sharp burs of the burweed scattered across the lawn."
"Groundskeepers treat for burweed in late autumn, before the inconspicuous flowers set their vicious seeds."
Standard regular plural; used both for individual plants and collectively for infestations.
"By midsummer the burweeds had died back, leaving only a scatter of shed burs on the path."
Lawn burweed hides flat against the grass until summer — then its needle-like burs turn every barefoot stroll across your lawn into a game of hopscotch you didn't agree to play.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of burweed
The word burweed is a transparent English compound of 'bur', meaning a prickly or clinging seed case, and 'weed', denoting an unwanted wild plant. Both elements are native Germanic words traceable to Old English — 'bur' (also spelled 'burr') and 'wēod' — so the compound was formed within English itself rather than borrowed from another language. Such descriptive compounds arose as vernacular plant names, and similar formations include seaweed and duckweed. The specific application to Soliva sessilis, a South American species introduced elsewhere, dates to the modern era of lawn care rather than to medieval usage.
How burweed is actually used
'Burweed' is a common name applied loosely to several unrelated burred plants, so context matters: in the southern United States it most often means lawn burweed (Soliva sessilis), while in Australia the identical plant is better known as 'bindii'. The word carries a mildly negative connotation, since burweeds are regarded as nuisance weeds rather than garden plants.
Easily confused with burweed
Burdock is a tall biennial with large leaves and hook-covered burs, whereas burweed usually refers to a small, mat-forming lawn plant with spine-tipped fruits.
Bindii (Soliva sessilis) is essentially the Australian name for the same lawn weed Americans call burweed, but the two names are used in different regional vocabularies rather than for different plants.