Veronica longifolia

Linnaeus

Sp. Pl. 1: 10. 1753.

Common names: Long-leaved speedwell véronique à longues feuilles
Introduced
Synonyms: Veronica maritima Linnaeus
Treatment appears in FNA Volume 17. Treatment on page 308. Mentioned on page 306.

Perennials. Stems erect, usually with 10–20 nodes, (50–) 70–120 (–150) cm, proximal 1/2 glabrous, distal 1/2 eglandular-hairy with some glandular-hairs intermixed. Leaves: blade narrowly ovatelanceolate, almost linear, or narrowly ovate, (60–) 80–120 (–150) × 10–30 (–35) mm, base cuneate, truncate, or cordate, margins serrate to biserrate, apex acute, surfaces sparsely or densely eglandular-hairy, rarely glabrous. Racemes 1–7 (–9), terminal and occasionally axillary, 100–200 (–300) mm, 150–300-flowered, axis eglandular and glandular-hairy; bracts linear to subulate, 2–6 mm. Pedicels erect, (1–) 1.5–3 (–5) mm, shorter than subtending bract, densely eglandular-hairy, sometimes also glandular-hairy. Flowers: calyx lobes 2–2.5 (–4) mm, apex acute, eglandular-hairy, sometimes glandular-hairy; corolla blue, campanulate, longer than wide, 5–7 mm diam.; stamens 5–6 mm; style (5–) 6–8 (–10) mm. Capsules ± compressed in cross-section, ovoid, 2.5–3 × 2.5–3 mm, apex emarginate, glabrous. Seeds 2–40, light-brown, ellipsoid, flat, 0.7–1.2 × 0.5–0.8 mm, 0.2–0.3 mm thick, smooth. 2n = 34, 68 (Eurasia).


Phenology: Flowering Jun–Aug(–Sep).
Habitat: Moist (swampy) habitats, roadsides.
Elevation: 0–800 m.

Distribution

Introduced; Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.W.T., N.S., Ont., P.E.I., Que., Sask., Yukon, Alaska, Conn., Fla., Ill., Ind., Iowa, Ky., Maine, Md., Mass., Mich., Minn., Mo., Mont., N.H., N.J., N.Y., N.Dak., Ohio, Pa., R.I., Vt., Wash., W.Va., Wis., Eurasia, also in South America, Pacific Islands (New Zealand)

Discussion

Reports of Veronica bachofenii Heuffel, V. grandis Fischer ex Sprengel (= V. daurica Steven), or V. spuria Linnaeus, seem always to refer to garden varieties of V. longifolia. Garden varieties often differ from typical plants in having glandular hairs and broader leaves, which may indicate past hybridization with other species.

Subgenus Pseudolysimachium includes Veronica longifolia and V. spicata, which are naturalized in the flora area, but also other species and hybrids of these, which are commonly grown ornamentally and may escape from cultivation. All of these plants should easily key out with V. longifolia and V. spicata but differ in specifics of the species descriptions.

Selected References

None.

Lower Taxa

None.
... more about "Veronica longifolia"
glabrous +, glandular-hairy +  and eglandular-hairy +
Dirk C. Albach +
Linnaeus +
glandular-hairy +
alternate +, opposite +, whorled +, helical +  and subopposite +
cordate;truncate;cordate;truncate;cuneate +
12 cm120 mm <br />0.12 m <br /> (15 cm150 mm <br />0.15 m <br />) +
3 cm30 mm <br />0.03 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
8 cm80 mm <br />0.08 m <br /> (12 cm120 mm <br />0.12 m <br />) +
ovate;linear;ovate;linear;ovatelanceolate +
not leathery +  and not fleshy +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
linear;subulate +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
rotate +  and campanulate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
ovoid +  and compressed +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
darker +, reddish +  and lighter +
Long-leaved speedwell +  and véronique à longues feuilles +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
longer than wide +
campanulate +
Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.W.T. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Alaska +, Conn. +, Fla. +, Ill. +, Ind. +, Iowa +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Mo. +, Mont. +, N.H. +, N.J. +, N.Y. +, N.Dak. +, Ohio +, Pa. +, R.I. +, Vt. +, Wash. +, W.Va. +, Wis. +, Eurasia +, also in South America +  and Pacific Islands (New Zealand) +
drupe-like +
0–800 m. +
curved +  and straight +
1 +  and 4 +
Moist (swampy) habitats, roadsides. +
axillary +  and terminal +
alternate +  and opposite +
persistent +  and deciduous +
linear;suborbiculate or triangular-cordate +
serrate +  and biserrate +
serrate +, dentate +  and entire +
palmatifid +, pinnatifid +  and lobed +
10 +  and 20 +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
glandular-hairy +  and eglandular-hairy +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
5 +  and 4 +
Flowering Jun–Aug(–Sep). +
150-300-flowered +
20 cm200 mm <br />0.2 m <br /> (30 cm300 mm <br />0.3 m <br />) +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
minute +
light-brown +
ellipsoid +
0.2mm +  and 0.3mm +
Introduced +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
eglandular +  and glandular +
120 cm1,200 mm <br />1.2 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
eglandular-hairy +  and glabrous +
70 cm700 mm <br />0.7 m <br /> (120 cm1,200 mm <br />1.2 m <br />) +
pointed +  and capitate +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
glabrous +  and eglandular-hairy +
Veronica maritima +
Veronica longifolia +
Veronica +
species +
gibbous +  and not spurred +
annual +, biennial +  and perennial +
subshrub +  and herb +