scentless hayweed

Thesaurus

Noun

1.scentless hayweed - ubiquitous European annual weed with white flowers and finely divided leaves naturalized and sometimes cultivated in eastern North America; sometimes included in genus Matricariacorn mayweed, Matricaria inodorum, scentless camomile, scentless false camomile, scentless mayweed, Tripleurospermum inodorumgenus Tripleurospermum, Tripleurospermum - small genus comprising plants often included in genus Matricariaherb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests