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SLENDER THISTLE Carduus tenuiflorus (Asteraceae), Lundy Island, Devon. Height to 1m. Upright, greyish biennial. Similar to Welted Thistle but stems are spiny-winged right up to the flower heads and extremely cottony. Grows in dry grassland, often near the sea. FLOWERS are borne in egg-shaped heads, 5-10mm across, with pinkish red florets; in dense, terminal clusters (Jun-Aug). FRUITS have unbranched hairs. LEAVES are pinnate, spiny and cottony below. STATUS-Locally common around coasts, except N.