Veronica triloba

(Opiz) Opiz

Naturalientausch 11: 467. 1826.

Common names: Trilobed speedwell
Introduced
Basionym: Veronica hederifolia var. triloba Opiz Hesperus 1815: 327. 1815
Treatment appears in FNA Volume 17. Treatment on page 316. Mentioned on page 308, 317.

Annuals. Stems decumbent, (5–) 10–30 cm, ± eglandular-hairy. Leaves: blade broadly ovate to suborbiculate, 3 (–5) -lobed, central lobe 1/4–1/2 times length of whole leaf, (3–) 5–10 (–15) × (4–) 6–12 (–18) mm, ± fleshy, base truncate to subcordate, margins 3 (–5) -lobed, apex acute, surfaces sparsely eglandular-hairy. Racemes 1–10, terminal, (50–) 100–300 mm, 5–20-flowered, axis sparsely eglandular-hairy; bracts broadly ovate to suborbiculate, 3 (–5) -lobed, (3–) 5–10 (–15) mm. Pedicels patent, deflexed in fruit, (2–) 4–8 (–10) mm, shorter than subtending bract, length 1–2 times calyx, glabrous abaxially, hairy adaxially. Flowers: calyx lobes 4–5 (–6) mm, apex acute, puberulent on abaxial surface, rarely glabrous, densely ciliate with 35–60 per side; corolla deep blue with white center, 3–5 mm diam.; stamens dark blue, length unknown; style 0.5–0.9 (–1.1) mm. Capsules ± round in cross-section, ovoid, 2.5–3 (–3.5) × 4–5 mm, apex ± emarginate, glabrous. Seeds (1–) 4, dull yellowish-brown, ellipsoid, often elongate-cuboidal, deeply urn-shaped (elaiosome inside), 2.2–2.8 × 1.5–2.2 mm, 1–1.4 mm thick, cristate to strongly rugose at margins. 2n = 18 (Eurasia).


Phenology: Flowering (Feb–)Mar–May(–Jun).
Habitat: Disturbed sites.
Elevation: 100–200 m.

Distribution

Introduced; Calif., Ohio, Europe (Balkans), Asia (Turkey)

Discussion

Veronica triloba is known in the flora area from three recent collections in California and Ohio; it is possibly more widespread than reported here. It is closely related to V. hederifolia.

Selected References

None.

Lower Taxa

None.

"-2timescalyx" is not declared as a valid unit of measurement for this property.

... more about "Veronica triloba"
glabrous +  and puberulent +
Dirk C. Albach +
(Opiz) Opiz +
eglandular-hairy +
alternate +, opposite +, whorled +, helical +  and subopposite +
truncate;subcordate +
Veronica hederifolia var. triloba +
3(-5)-lobed;broadly ovate;suborbiculate +
not leathery +  and not fleshy +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
3(-5)-lobed;broadly ovate;suborbiculate +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
rotate +  and campanulate +
0.3 cm3 mm <br />0.003 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
ovoid +  and round +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
1/4-1/2 times length of +
Trilobed speedwell +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
campanulate +, short-tubular +  and rotate +
Calif. +, Ohio +, Europe (Balkans) +  and Asia (Turkey) +
drupe-like +
100–200 m. +
curved +  and straight +
1 +  and 4 +
Disturbed sites. +
axillary +  and terminal +
alternate +  and opposite +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
persistent +  and deciduous +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
linear;suborbiculate or triangular-cordate +
serrate +, dentate +  and entire +
3(-5)-lobed +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
deflexed +  and patent +
hairy +  and glabrous +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
5 +  and 4 +
Flowering (Feb–)Mar–May(–Jun). +
Naturalientausch +
5-20-flowered +
5 cm50 mm <br />0.05 m <br /> (10 cm100 mm <br />0.1 m <br />) +
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +
minute +
yellowish-brown +
cristate +, urn--shaped +  and ellipsoid +
1mm +  and 1.4mm +
Introduced +
eglandular +  and glandular +
5 cm50 mm <br />0.05 m <br /> (10 cm100 mm <br />0.1 m <br />) +
climbing +  and scrambling +
creeping;erect +
eglandular-hairy +
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +
pointed +  and capitate +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
eglandular-hairy +
Veronica triloba +
Veronica +
species +
gibbous +  and not spurred +
annual +, biennial +  and perennial +
subshrub +  and herb +