Anthemis arvensis

Linnaeus

Sp. Pl. 2: 894. 1753.

Common names: Corn chamomile fausse camomille anthémis des champs
Synonyms: Anthemis arvensis var. agrestis (Wallroth) de CandolleChamaemelum arvense unknown
Treatment appears in FNA Volume 19. Treatment on page 538.
Revision as of 00:26, 27 July 2019 by FNA>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Annuals (sometimes persisting), (5–)10–30+[–80] cm, not notably scented. Stems green or reddish, decumbent (sometimes rooting at nodes) or ascending to erect, branched mostly proximally, ± strigoso-sericeous or villous, glabrescent. Leaf blades 15–35 × 8–16 mm, 1–2-pinnately lobed (ultimate lobes triangular to narrowly elliptic or linear). Peduncles mostly 4–15 cm (sometimes clavate in fruit). Involucres 6–13 mm diam., ± villous. Receptacles paleate throughout; paleae lanceolate to oblanceolate, weakly navicular (± carinate), 3–4+ mm (including acuminate-spinose tips). Ray florets 5–20, pistillate, fertile; corollas white, rarely tinged with pink, laminae 5–15 mm. Disc corollas (sometimes tinged with purple) 2–3(–4) mm. Cypselae 1.7–2+ mm, ribs smooth or weakly tuberculate (sometimes separated by relatively deep furrows); pappi 0 or coroniform (0.01+ mm). 2n = 18.


Phenology: Flowering May–Jul(–Sep).
Habitat: Disturbed sites, abandoned plantings
Elevation: 10–400+ m

Distribution

V19-936-distribution-map.gif

B.C., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., P.E.I., Que., Ala., Calif., Colo., Conn., Del., D.C., Fla., Ga., Idaho, Ill., Ind., Iowa, Ky., La., Maine, Md., Mass., Miss., Mo., Nebr., N.H., N.J., N.Y., N.C., N.Dak., Ohio, Oreg., Pa., R.I., S.C., Tenn., Vt., Va., Wash., W.Va., Wyo., Europe.

Discussion

Anthemis arvensis is morphologically variable; it is found throughout much of North America.

Selected References

None.

Lower Taxa

None.
... more about "Anthemis arvensis"
Linda E. Watson +
Linnaeus +
Corn chamomile +, fausse camomille +  and anthémis des champs +
B.C. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.S. +, Ont. +, P.E.I. +, Que. +, Ala. +, Calif. +, Colo. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Idaho +, Ill. +, Ind. +, Iowa +, Ky. +, La. +, Maine +, Md. +, Mass. +, Miss. +, Mo. +, Nebr. +, N.H. +, N.J. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Oreg. +, Pa. +, R.I. +, S.C. +, Tenn. +, Vt. +, Va. +, Wash. +, W.Va. +, Wyo. +  and Europe. +
10–400+ m +
Disturbed sites, abandoned plantings +
Flowering May–Jul(–Sep). +
Introduced +  and Illustrated +
Anthemis arvensis var. agrestis +  and Chamaemelum arvense +
Anthemis arvensis +
Anthemis +
species +