Anthemis cotula |
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camomille maroute, dog-fennel, mayweed, mayweed chamomile, stinking chamomile, stinking mayweed |
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Habit | Annuals, (5–)15–35(–90) cm, usually ill-scented. |
Stems | green (sometimes red-tinged), usually erect, branched mostly distally or ± throughout, glabrous, glabrate, puberulent, or sparsely strigillose to strigoso-sericeous (glabrescent, hairs mostly medifixed) and gland-dotted. |
Leaf | blades 25–55 × 15–30 mm, 1–2-pinnately lobed. |
Peduncles | mostly (2–)4–6(–15) cm. |
Involucres | 5–9 mm diam., ± villosulous to arachnose. |
Receptacles | paleate mostly distally; paleae subulate to acerose 2–3+ mm (often gland-dotted). |
Ray florets | 10–15, styliferous and sterile; corollas white, laminae 5–15+ mm. |
Disc corollas | 2–2.5 mm (sparsely gland-dotted). |
Cypselae | 1.3–2 mm, ribs ± tuberculate (furrows often gland-dotted); pappi 0. |
2n | = 18. |
Anthemis cotula |
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Phenology | Flowering (Apr–)May–Aug(–Oct). |
Habitat | Disturbed sites, clearings, fields, roadsides |
Elevation | 10–600(–1500+) m (0–2000(–4900+) ft) |
Distribution |
AK; AL; AR; AZ; CA; CO; CT; DC; DE; FL; GA; IA; ID; IL; IN; KS; KY; LA; MA; MD; ME; MN; MO; MS; MT; NC; ND; NE; NH; NJ; NM; NV; NY; OH; OK; OR; PA; RI; SC; SD; TN; TX; UT; VA; VT; WA; WI; WV; WY; AB; BC; MB; NB; NF; NS; ON; PE; QC; SK; YT; Eurasia [Introduced in North America]
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Discussion | Anthemis cotula is a weed throughout North America. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 19, p. 538. |
Parent taxa | Asteraceae > tribe Anthemideae > Anthemis |
Sibling taxa | |
Synonyms | A. foetida, Chamaemelum cotula, Maruta cotula |
Name authority | Linnaeus: Sp. Pl. 2: 894. (1753) |
Web links |
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