Matricaria
genus of plants
Matricaria is a genus of flowering plants in the chamomile tribe within the sunflower family. Some of the species have the common name of "mayweed", but this name also refers to plants not in this genus.
Description
Their many-branched stems are prostrate to erect, glabrous, and very leafy. Their bipinnate leaves have numerous linear, narrowly lobed leaflets.
The flowers are radially symmetrical. The greenish-yellow capitula are semi-spherical. The white ray florets can be present (M. chamomilla) or lacking (M. discoidea). The disc florets are 4- to 5-dentate. The receptacle is 2–3 times as high as wide. The pappus may be crown-shaped and short, or lacking.
The public source identifies “Matricaria” as genus of plants. This brief keeps that definition visible, then builds a research path around Matricaria, genus and plants.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Matricaria”, the useful work is to connect “genus of plants” to the records capable of establishing context and consequence.
The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Jun 6, 2026. The linked authority identifier is Q27618. None of the 0 selected statements returned an explicit reference.
A general summary may omit uncertainty, sample limits or methodological disagreement that is explicit in the technical record. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.
Three-step research path
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Questions for further research
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This entry incorporates text from “Matricaria” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.