Thistle, Durham, Co Durham, Tyne and Wear, UK

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Thistle, Durham. Co Durham, Tyne and Wear, UK. Thistle is the common name of a group of flowering plants characterised by leaves with sharp prickles on the margins, mostly in the family Asteraceae. Prickles can also occur all over the plant – on the stem and on the flat parts of the leaves. These prickles are an adaptation that protects the plant from being eaten by herbivores. Typically, an involucre with a clasping shape similar to a cup or urn subtends each of a thistle's flower heads.

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Size: 3854px × 2844px
Location: Durham, Tyne and Wear, UK
Photo credit: © Grazyna Bonati / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: asteraceae, durham, flowers, plant, predators, prickles, protection, thistle, tyne, uk, wear