| Melancholy Thistle | Daisy family |
| Cirsium heterophyllum | Asteraceae (Compositae) |
Melancholy Thistle is a tall thistle without any spines, which grows only in northern Britain. The leaves have soft-prickly teeth, and are white-felted on the underside.
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| Flower side-on | Bud |
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| Leaves, with soft prickles | White-felted leaf underside |