Annual aromatic weed of Pacific coastal areas (United States and northeastern Asia) having bristle-pointed leaves and rayless yellow flowers.  Synonyms: Matricaria matricarioides, pineapple weed.
 
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Words linked to "Rayless chamomile" :   US, the States, herbaceous plant, Matricaria matricarioides, U.S., United States of America, United States, U.S.A., herb, USA, America, genus Matricaria, Matricaria  | 
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