(n.) The black centaury (Centaurea nigra); -- so called from the knoblike heads of flowers. Called also bullweed.
Example Sentences:
(1) The footpaths I followed became swamped with knapweed, bramble and nettle.
(2) Repin, one of the sesquiterpene lactones found in Russian knapweed, has been shown to possess high toxicity toward chick embryo sensory neurons.
(3) Consumption of Russian knapweed (Acroptilon repens) by horses results in the necrosis of neural cells in the substantia nigra.
(4) It would be a day of spiders’ webs, drifting thistledown shredded by goldfinches , ripening berries and lethargic bumblebees clinging to the last of the knapweed flowers .
(5) As Ian prepares for the half-mile-long return journey, he points a fistful of oily cotton waste towards the purple thistle-like flowerheads of knapweed, the pink, white and blue pincushion-shaped flowers of scabious, and the vivid blue of cornflower.
Thistle
Definition:
(n.) Any one of several prickly composite plants, especially those of the genera Cnicus, Craduus, and Onopordon. The name is often also applied to other prickly plants.
Example Sentences:
(1) It was the best of the opening three as Stefan Johansen, who became a champion for the second time in sixth months after winning the Norwegian top flight with Stromsgodset, exchanged passes with Griffiths before continuing his driving run and drilling the ball into the Thistle goal.
(2) It is concluded that, of the compounds identified, solstitialin A 13-acetate and cynaropicrin have toxic potential in cell cultures, containing cells from the substantia nigra of the rat, the specificity of action to cells of the substantia nigra remains to be shown, and that a toxic action in the midbrain may contribute to the nigro-pallidal encephalomalacia, caused by the ingestion of the yellow star thistle by horses.
(3) "It may be that thistle-cutting or spraying is unnecessary this summer because the caterpillars will defoliate them for you."
(4) That’s the hardest part of our job – to know that we can’t put them where they belong.” For context, Thistle notes that there used to be 640 beds in New Hampshire for treatment.
(5) Dairy farmer Dave Lawrence took the Guardian to the spot where the beavers are usually seen, close to an island in the river thick with nettles, willow and thistles.
(6) The reverse of the new coin shows the English rose, Welsh leek, Scottish thistle and Northern Irish shamrock emerging from one stem within a royal coronet – a design created by 15-year-old schoolboy David Pearce, who won a competition to create the image.
(7) We look forward to it, the gaffer will look forward to it, he will have a game plan and will try to get into the next round.” It was Thistle’s first defeat in seven games but their defender Danny Seaborne said they had been undone by a striker enjoying a great run of form.
(8) Thistle-tube-shaped pulps in the permanent teeth were observed in five patients.
(9) The first example is liquorice root, its active principle carbenoxolone, and the drugs Biogastrone and Caved-S for the treatment of gastic, peptic and duodenal ulcers; the second example is the fruits of the milk thistle, its active principles silymarin and silybinin as well as the drug Legalon for the treatment of liver diseases.
(10) One night in the Crown and Thistle pub in Northiam, Ajao flew into a row with a local, Piers Mott.
(11) Which is all well and good, but you’re intrigued to know what’s going on at Celtic Park, where Celtic are entertaining Inverness Caledonian Thistle.
(12) In 15 patients (13 women and two men) with cholesterol stones in the gall-bladder a special (Thistle) catheter was introduced into the gall-bladder under local anaesthesia by percutaneous transhepatic puncture.
(13) MB • Aberdeen move to within a point of Celtic after comeback at Partick Thistle • Steven Pye: when Aberdeen ruled Scottish football Facebook Twitter Pinterest Mathias Pogba moved from Crawley Town to Partick Thistle last summer but has found goals hard to come by north of the border.
(14) The floral-emblem £1 coins, which began last year with a rose for England and a daffodil for Wales, will continue with the addition of coins featuring a thistle for Scotland and a flax plant for Northern Ireland.
(15) At Glasgow's Thistle Hotel on Friday night a 22-piece Gaelic choir sang Highland Cathedral.
(16) Weeds elicit two levels of allergenicity, a high level by the Ragweeds and other members of the Asteraceae, and a much lower level by members of the families Amaranthaceae (Pigweed, Western Water Hemp), Chenopodiaceae (Lamb's Quarters, Kochia, and Russian Thistle), and Plantaginaceae (Plantain) in the St. Louis, Missouri area.
(17) Aberdeen moved to within one point of Premiership leaders Celtic after battling from behind to beat Partick Thistle 2-1 at Firhill.
(18) In sensitized individuals, Russian thistle floral bracts pierced the skin and stimulated an urticarial reaction.
(19) THE MOST ANCIENT AND MOST NOBLE ORDER OF THE THISTLE The Rt Hon David Alexander Cospatrick Douglas-Home, the Earl of Home CVO, CBE.
(20) He remained 'Sir' Alec because he had been created a Knight of the Thistle in 1962.