kh854's picture

Which thistle could this be?

Observed: 11th December 2009 By: kh854
S159 Neighbourhood Nature - current student
kh854’s reputation in Plantskh854’s reputation in Plants
species 18c
species 18d
species 18e
species 18f
species 18a
species 18b
Description:

Difficult to tell from a dead plant, but this is VERY pickly all over. The flower head is very bulbous and very prickly also.

Identifications
Species interactions

No interactions present.

Species with which Spear Thistle (Cirsium vulgare) interacts

Comments

Norwichnaturalist's picture

Carduus tenuiflorus (Slender

Carduus tenuiflorus (Slender Thistle)a commom food plant for migrant Painted Ladies to lay eggs on after immigration to the UK

Colin Jacobs.
Wild Flower Society member
Norwich
Norfolk
vc27
http://www.thewildflowersociety.com/