Rubia

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Rubia

 

(madder), a genus of plants of the family Rubiaceae. They are perennial grasses, subshrubs, or low shrubs. The leaves are simple and decussate, with interpetiolate stipules that resemble leaves. The small flowers are in axillary or terminal cymes, which are frequently gathered in paniculate or, less frequently, racemose inflorescences. There are about 55 species in the temperate zones of Asia and the Mediterranean region. A few species are found in Central Europe and in Africa, and about 15 species are encountered in Central and South America. There are 20 species in the USSR, primarily in Middle Asia. The underground organs of certain species yield dyes. Madder (Rubia tinctorum) has been cultivated since antiquity for its bright and durable color, which, depending on its processing, can dye fabrics red, violet, orange, canary yellow, or other colors. Since the discovery in the 1860’s of synthetic alizarin, madder has been cultivated only in a few Asian countries, where it is used to dye carpets.

References in periodicals archive ?
September 27, 2016 Rubio introduced the Taiwan Travel Act in the 114th Congress.
When Rubio sought to understand why, if such a policy existed, the Taiwanese flag was displayed for such a long period before the abrupt change, Thornton offered no answer.
When Reed was hired as a campaign manager in 2016, Rubio issued a (https://www.
Dante Novicio, Muntinlupa City police chief, said that Rubio used to report to the intelligence section and was dismissed in September 2016 due to grave misconduct.
A message left for Rubio seeking comment was not immediately returned.
I felt that Cruz was a little bit too much to the right and I thought that Marco Rubio was a little more of a traditional Republican and that he could unite the party a lot better," PeAa said.
Five days ago, we began to explain to the American people that Donald Trump is a con artist," Rubio said, in a rally on Tuesday in his home state of Florida.
But not to worry: Rubio insists that his tax cuts would pay for themselves, by unleashing incredible economic growth.
Much of the debate took place over the television airwaves, as Trump, 69, a billionaire businessman and former reality TV star, lobbed charges at his rivals at an MSNBC town hall, and Rubio and Cruz battled in back-to-back appearances at a CNN town hall in Greenville, South Carolina.
Most applause went to Marco Rubio for his self-confident master of facts.
Trump, in particular, has been pushing Rubio to define his nebulous, shifty positions.
In that spirit, let us examine the foreign-policy views of Marco Rubio, he whom the data-journalism website Vox describes as "the biggest hawk in the GOP field.