Macquarie Valley & Lachlan Valley

Weeds Advisory Committees

Botanical Name:	Bidens pilosa
Other Common Names:
Declarations
	Not Declared
Landholder Responsibilities:
Why Is It Bad?:	A native of South America, Cobbler's Pegs is now widely distributed in Australia. It grows on disturbed sites such as wasteground or roadsides. It prefers dry, infertile soils.
Identification
Habit:	Herb
Leaves:	Leaves are opposite, divided pinnately and made up of 3-5 ovate-lanceolate stalked leaflets. Leaflets are 3-6cm long with toothed margins.
Flowers:	Flowers occur at the end of slender stems, 5-15mm in diameter, white or yellow with petals often absent. If petals are present, they are short and white. Bracts occur in 2-3 rows. Outer involcural bracts are shorter than inner bracts and have hairy margins. Flowering occurs from late summer through autumn.
Fruit:	Seeds are slender, black, 6-12mm long with 2-3 barbed awns (5mm long).
Roots:
Control Methods
Manual Removal:
Chemical Use:
Fire:
Slashing & Cutting:
Biological Control:
Grazing:	Dairy cattle are not recommended for grazing control as the aromatic oil present in the plant has an offensive smell that can taint milk.
Cultivation & Scalping:
Smothering:
Solarisation:
Competition:
Monitoring:

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Image Credit: Andrew Cosier