Definition: A plant genus of the family ASTERACEAE. M. chamomilla appears similar to Anthemis but this flower disk is conical and hollow and lacks chaffy bract scales and the odor is weaker. The common name of 'manzanilla' is confused with other meanings of the word. 'Matricaria chamomilla sensu' is classified by some as Tripleurospermum perforata. Other plants with similar common names include CHAMAEMELUM; TRIPLEUROSPERMUM and ANTHEMIS.
X refs: distinguish from related plants with similar common names; check text and MeSH; for Matricaria parthenium use TANACETUM; MATRICARIA PERFORATA see TRIPLEUROSPERMUM is also available; coord with specific PLANT STRUCTURES term if pertinent; for use