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The globe thistle species are perennial herbaceous plants.They form rhizomes as perennial organs. The independently upright stems are angular. The alternately arranged leaves are one to two-pinnately divided and white, woolly and tomentose on the underside.
Echinops sphaerocephalus is a glandular, woolly perennial herbaceous plant with an average height of 50–100 centimetres (20–39 in), occasionally reaching 200 cm (80 inches). [4] Its erect branching, gray, slightly wrinkled and hairy stems bear the occasional large, soft, sharply toothed, sharp-lobed pointed green leaves.
It is a compact, bushy herbaceous perennial thistle, growing to 60 cm (24 in) tall, with broad prickly leaves and bearing globes of steel-blue flowers 2.5 cm - 4.5 cm in diameter, in late summer. [5] Echinops ritro [6] and the subspecies E. ritro subsp. ruthenicus [7] have gained the Royal Horticultural Society's Award of Garden Merit ...
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 ...
The oil, extracted from the seeds of the cardoon, and called artichoke oil, is similar to safflower and sunflower oil in composition and use. [28] Cardoon is the feedstock for the first biorefinery in the world converting the installations of a petrochemical plant in Porto Torres , Sardinia , providing biomass and oils for the building blocks ...
Echinops echinatus, the Indian globe thistle, commonly known as Usnakantaka, [1] is a species of globe thistle, found in India, Pakistan, and Sri Lanka. Indian globe thistle is an erect branched herb about 100 cm high. It has short, stout stems, branching from the base, covered with white cottony hair.