sweet sultan, n.
Asian plant widely grown for its sweetly fragrant pink flowers; sometimes placed in genus Centaurea
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Amberboa moschata Centaurea moschata sweet sultan
perennial of mountains of Iran and Iraq; cultivated for its fragrant rose-pink flowers
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Centaurea imperialis sweet sultan
annual of Mediterranean to Portugal having hairy stems and minutely spiny-toothed leaves and large heads of yellow flowers
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Cnicus benedictus blessed thistle sweet sultan