Veronica arvensis

Linnaeus

Sp. Pl. 1: 13. 1753.

Common names: Wall or corn speedwell véronique des champs
Introduced
Treatment appears in FNA Volume 17. Treatment on page 317. Mentioned on page 307.
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Annuals. Stems erect to ascending, 1–30(–40) cm, glandular- or eglandular-hairy. Leaves in 3–6 pairs per stem; blade oblong to broadly ovate, (2–)5–14(–35) × (2–)3–10(–18) mm, 2.5 times as long as wide, base truncate, margins crenate-serrate, apex obtuse to rounded, surfaces sparsely eglandular-hairy, rarely also glandular-hairy. Racemes 1(–3), terminal, 20–150 mm, (5–)15–40(–60)-flowered, axis densely eglandular- and glandular-hairy; bracts linear-oblong, (3.5–)4–6(–10) mm. Pedicels erect, 0–4 mm, shorter than subtending bract, densely eglandular- and glandular-hairy. Flowers: calyx lobes (2–)3.5–5(–6) mm, 0.8–2 mm wide, apex acute, glandular-hairy; corolla sky blue to intense blue, 2–4 mm diam.; stamens 0.3–0.5 mm; style (0.2–)0.4–0.6(–1) mm. Capsules compressed in cross section, obcordiform, 2–4 × 2.5–5 mm, apex markedly emarginate, glandular-ciliate, otherwise glabrous. Seeds 10–30, yellowish, ovoid, flat, 0.7–1.7 × 0.4–1 mm, 0.2–0.4 mm thick, rugose. 2n = 16.


Phenology: Flowering (Feb–)Mar–Jun(–Oct).
Habitat: Disturbed sites, lawns, fields, open forests, scrub, grasslands, rocky sites, coasts.
Elevation: 0–2900 m.

Distribution

Introduced; Greenland, B.C., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., P.E.I., Que., Yukon, Ala., Alaska, Ariz., Ark., Calif., Colo., Conn., Del., D.C., Fla., Ga., Idaho, Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Mont., Nebr., Nev., N.H., N.J., N.Mex., N.Y., N.C., Ohio, Okla., Oreg., Pa., R.I., S.C., S.Dak., Tenn., Tex., Utah, Vt., Va., Wash., W.Va., Wis., Wyo., Eurasia, Africa, Atlantic Islands, Pacific Islands, Australia, introduced also in Mexico, Central America.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Veronica arvensis"
Dirk C. Albach +
Linnaeus +
Wall or corn speedwell +  and véronique des champs +
Greenland +, B.C. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.S. +, Ont. +, P.E.I. +, Que. +, Yukon +, Ala. +, Alaska +, Ariz. +, Ark. +, Calif. +, Colo. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Idaho +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Miss. +, Mo. +, Mont. +, Nebr. +, Nev. +, N.H. +, N.J. +, N.Mex. +, N.Y. +, N.C. +, Ohio +, Okla. +, Oreg. +, Pa. +, R.I. +, S.C. +, S.Dak. +, Tenn. +, Tex. +, Utah +, Vt. +, Va. +, Wash. +, W.Va. +, Wis. +, Wyo. +, Eurasia +, Africa +, Atlantic Islands +, Pacific Islands +, Australia +, introduced also in Mexico +  and Central America. +
0–2900 m. +
Disturbed sites, lawns, fields, open forests, scrub, grasslands, rocky sites, coasts. +
Flowering (Feb–)Mar–Jun(–Oct). +
Introduced +
Veronica arvensis +
Veronica +
species +