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A biennial plant which germinates in the autumn and over-winters as a basal rosette of spiny leaves. The following year upright stems can reach 1.2m in height. It is mainly found in moist areas. The leaves are deeply lobed with spines on the edges, but not on the surface. Leaves in first-year rosett...

Marsh Thistle (Circium palustre)

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A biennial plant which germinates in the autumn and over-winters as a basal rosette of spiny leaves. The following year upright stems can reach 1.2m in height. It is mainly found in moist areas. The leaves are deeply lobed with spines on the edges, but not on the surface. Leaves in first-year rosettes are spiny, long, deeply lobed and hairy on the underside. On flowering plants, leaves are 6 to 8 inches long near the base and shorter toward the top. Flowering stems are erect, thick, sometimes reddish in colour, branched at the top and with spiny "wings" running down the stem. The flower heads are in clusters and bloom in June and July. By late summer it produces tiny seeds attached to feathery seeds

Added:
3rd Nov 2012

Subjects:
Science

Key Stages:
Foundation, Key Stage 1, Key Stage 2, Key Stage 3, Key Stage 4, Key Stage 4+

Geocode: RSPB Minsmere, Suffolk

Keywords:
Thistle flower plant

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