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They have spiny foliage and produce blue or white spherical flower heads. They are distributed from central Asia, Mongolia and north-eastern China to the Mediterranean basin, temperate regions of Eurasia, reaching to Indian subcontinent and tropical Africa. [2] [3] Globe thistle is the host plant of weevils Larinus vulpes and Larinus onopordi. [4]
Cicerbita is a genus of flowering plants in the family Asteraceae, native to Asia and Europe. [ 1 ] [ 2 ] They are known commonly as blue sow thistles . [ 3 ] The word Cicerbita is from the Italian , meaning "chickory-like", a comparison to Cichorium , the chicory genus.
Echinops bannaticus, known as the blue globe-thistle, [2] is a species of flowering plant in the family Asteraceae, native to southeastern Europe. It is an herbaceous perennial thistle , growing to 120 cm (47 in), with prickly foliage and spherical blue flower heads in summer.
Cirsium perplexans is a species of flowering plant in the family Asteraceae known by the common names Rocky Mountain thistle and Adobe Hills thistle. It is endemic to Colorado in the United States, where it occurs in the Colorado and Gunnison River Valleys in the Rocky Mountains .
Cicerbita alpina, commonly known as the alpine sow-thistle or alpine blue-sow-thistle [4] is a perennial herbaceous species of plant sometimes placed in the genus Cicerbita of the family Asteraceae, and sometimes placed in the genus Lactuca as Lactuca alpina. [5] It is native to upland and mountainous parts of Europe.
Eryngium planum, the blue eryngo [1] or flat sea holly, is a species of flowering plant in the family Apiaceae, native to the area that includes central and southeastern Europe and central Asia. It is an herbaceous perennial thistle growing to 50 cm (20 in) with branched silvery-blue stems, and numerous small blue conical flowerheads surrounded ...
In 1806, Jean-Baptiste Lamarck and Augustin Pyramus de Candolle published the name Cynarocephalae. This is a descriptive name, referring to the bluish colour of the flower heads. Such descriptive names for tribes are not valid under the International Code of Nomenclature for algae, fungi, and plants, which requires them to be based on a generic ...
Milk thistle flowerhead Cirsium arizonicum, showing arachnoid cobwebbiness on stems and leaves, with ants attending aphids that might be taking advantage of the shelter. Thistle is the common name of a group of flowering plants characterized by leaves with sharp spikes on the margins, mostly in the family Asteraceae. Prickles can also occur all ...