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Separate cypselae. Onopordum acanthium (cotton thistle, Scotch (or Scottish) thistle) is a flowering plant in the family Asteraceae.It is native to Europe and Western Asia from the Iberian Peninsula east to Kazakhstan, and north to central Scandinavia, and widely naturalised elsewhere, [1] [2] [3] with especially large populations present in the United States and Australia.
Juz. Cnicus arvensis (L.) Hoffm. Cirsium arvense is a perennial species of flowering plant in the family Asteraceae, native throughout Europe and western Asia, northern Africa and widely introduced elsewhere. [2][3][4][5] The standard English name in its native area is creeping thistle. [6]
Thistle. 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 prickles on the margins, mostly in the family Asteraceae. Prickles can also occur all over the ...
Onopordum. Acanos Adans. Acanthium Heist. ex Fabr. Onopordum, or cottonthistle, [3] is a genus of plants in the tribe Cardueae within the family Asteraceae. [4] They are native to southern Europe, northern Africa, the Canary Islands, the Caucasus, and southwest and central Asia. They grow on disturbed land, roadsides, arable land and pastures.
Cirsium vulgare, the spear thistle, bull thistle, or common thistle, is a species of the Asteraceae genus Cirsium, native throughout most of Europe (north to 66°N, locally 68°N), Western Asia (east to the Yenisei Valley), and northwestern Africa (Atlas Mountains). [3][4][5][6] It is also naturalised in North America, Africa, and Australia and ...
Cirsium is a genus of perennial and biennial flowering plants in the Asteraceae, one of several genera known commonly as thistles. They are more precisely known as plume thistles[citation needed]. These differ from other thistle genera (Carduus, Silybum and Onopordum) in having a seed with a pappus of feathered hairs on their achenes.
Cnicus discolor Muhl. ex Willd. Cirsium discolor, the field thistle, [2] is a North American species of plants in the tribe Cardueae within the family Asteraceae. It is native to thirty-three states in the United States as well four Canadian provinces. [3] It occurs across much of eastern and central Canada as well as eastern and central United ...
Description. Cirsium altissimum is, as the name implies, a tall herb, sometimes reaching as much as 400 cm (13 ft) in sunny areas and 150 cm (5 ft) in the shade. It is a biennial or perennial plant, blooming only once before dying. In its first year, the plant appears as a rosette of leaves, slightly hairy, with small spines along the leaf margins.