1. Annual aromatic weed of Pacific coastal areas (United States and northeastern Asia) having bristle-pointed leaves and rayless yellow flowers
   - rayless chamomile, Matricaria matricarioides

Derived forms: pineapple weeds

Type of: herb, herbaceous plant

Part of: genus Matricaria, Matricaria

Encyclopedia: Pineapple weed

• Polygonales
• polygonally
• Polygonatum
• Polygonatum biflorum
• Polygonatum commutatum
• Polygonia
• Polygonia comma
• Polygonum
• Polygonum aubertii
• Polygonum fagopyrum
• Polygonum orientale
• polygram
• polygraph
• polygynist
• polygynous
• polygyny
• polyhedral
• polyhedral angle
• polyhedron
• polyhidrosis
• polyhistor
• Polyhymnia
• Polymastigina
• polymastigote
• polymath