Dwarf Thistle

Dwarf Thistle - Cirsium acaule

Alternative names
Stemless Thistle.
Description

Low stemless or almost stemless plant with a rosette of deep green, spiny leaves. Flowerheads usually solitary, purple 20 to 40 mm borne directly on the leaf rosette.

Similar Species

In flower it is unlikely to be confused; but the leaf rosettes are similar to many other thistles

Identification difficulty
ID checklist (your specimen should have all of these features)

Flowerheads sessile, or very shortly stalked

Habitat

Dry grassy habitats, especially grazed pastures, on calcareous soils.

When to see it

June to September.

Life History

Perennial.

UK Status

Local in England and southern Wales north to Yorkshire.

VC55 Status

Mainly found in the east of Leicestershire and parts of Rutland it is approaching the northern limit of its range in VC55. In the 1979 Flora survey of Leicestershire it was found in 62 of the 617 tetrads.

In the current checklist (Jeeves 2011) it is listed as Native; short calcareous grassland; occasional

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020

UK Map

Additional images

All NatureSpot records