This project is supported by The Central Qld Coast Landcare Network through funding from the Australian Government's Caring for our Country

Caring for our Country
 
< Back to search results

SPEAR THISTLE

(Cirsium vulgare, fam. Asteraceae)

Cirsium vulgare Cirsium vulgare Cirsium vulgare Cirsium vulgare Cirsium vulgare
Erect robust spiny annual herb to 1.5m. Stems cottony hairy, furrowed with spiny wings that are a continuation of the leaf bases.
Form or habit: Herb
Latex:Present
Leaf:Simple Basal

Initially in a basal rosette, then alternate, dark green bristly above, white woolly below, ovate in outline up to 450 x 100mm, deeply lobed. Lobes and leaf tips ending in sharp spines.

Flower conspicuous: Conspicuous
Flower colour: Pink
Flower description:Pinkish purple in fluffy terminal heads surrounded by spiny bracts, 30-50mm in diameter.
Fruit conspicuous: Conspicuous
Fruit colour: Grey
Fruit: Dry
Fruit description: ‘Seeds’ 3-5mm long, flat, smooth, grey with longitudinal darker markings, topped with numerous feather-like bristles 20-30mm long.
Habitat:
Distribution:
Food source for:
Toxicity:
Origin:Europe, Asia and Northern Africa
Weed:Yes
Weed status:Environmental/garden escapee
Notes:Spread by: ‘Seeds’ dispersed by wind, water or mud.
Invades: Common in crop and non-crop areas on fertile soils.
Notes: Not palatable to stock. Incorrectly called Scotch Thistle in Queensland.
Information sources: Mackay Regional Pest Management Group (2011) Weeds of the Mackay Whitsunday Region.

All photos are under copyright. CQC Landcare Network has permission to use all photos on this website. If you wish to use them, please contact the photographer directly or your local group (WCL PCL SLCMA).

 
background