1. Spring-flowering garden perennial of Asiatic origin having finely divided aromatic leaves and white to pink-purple flowers; source of an insecticide; sometimes placed in genus Chrysanthemum
   - pyrethrum, Tanacetum coccineum, Chrysanthemum coccineum

Derived forms: painted daisies

Type of: flower

Part of: genus Tanacetum, Tanacetum

• Atreus
• atrial
• atrial artery
• atrial auricle
• atrial fibrillation
• atrial septal defect
• Atrichornis
• Atrichornithidae
• atrioventricular
• atrioventricular block
• atrioventricular bundle
• atrioventricular nodal rhythm
• atrioventricular node
• atrioventricular trunk
• atrioventricular valve
• atrip
• Atriplex
• Atriplex hortensis
• Atriplex hymenelytra
• Atriplex lentiformis
• Atriplex mexicana
• atrium
• atrium cordis
• atrium dextrum
• atrium of the heart