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blue thistle

blue thistle

7.4
A prickly plant with spiky blue flowers often growing by roads and fields
  • noun
  • UK
translation icon : cardo azul
  • Gardeners sometimes remove blue thistle because its sharp leaves can make it unwanted in lawns.

Examples

  • The fields were dotted with blue thistle, adding a splash of color among the green grass.

  • I spotted a beautiful blue thistle growing by the roadside during our hike.

  • The blue thistle is often found in gardens.

  • Many people consider the blue thistle a beautiful plant.

  • I spotted a beautiful blue thistle growing by the roadside during our hike.

  • The fields were dotted with blue thistle, adding a splash of color among the green grass.

  • Gardeners sometimes remove blue thistle because its sharp leaves can make it unwanted in lawns.

Synonyms

blue devil
vsblue thistle
9.9

A prickly plant with tall spikes of blue flowers that grows in fields

is often considered a prickly plant rather than an outright weed
Echium vulgare
vsblue thistle
  • Specialized
9.9

A rough, prickly European plant with tall spikes of blue flowers

is the common general name rather than the scientific species label
viper's bugloss
vsblue thistle
9.9

A rough, prickly plant from Europe with bright blue flower spikes

is a broader common label for similar prickly plants not only that species
blueweed
vsblue thistle
9.9

A rough prickly plant that has spikes of bright blue flowers

is usually described by prickly spines rather than by rough hairs
globe thistle
vsblue thistle
9.1

A plant with prickly leaves and round blue flower heads

is about plants with spiky flowers rather than dense spherical flower heads

Surface Forms

blue thistle singular
blue thistles plural

Morphology

blue + thistle

The phrase is a straightforward adjective + noun combination: 'blue' describes the color of a 'thistle', so a learner who knows both words can infer it is a thistle with blue flowers. This compositional pattern is common across languages and follows standard English noun modification, making the meaning immediately derivable for a B1 learner.

Etymology

Blue thistle is a name for a prickly plant with bright blue flowers. The word thistle points to its sharp, spiky leaves and the word blue shows the flower color, so the name gives a clear picture of a plant often called a 'weed'.