Difference between revisions of "Veronica dillenii"
Stirp. Austr. Fasc. ed. 2, 2: 352. 1769.
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|elevation=500–2200 m. | |elevation=500–2200 m. | ||
|distribution=Ill.;Ind.;Mich.;N.Y.;Va.;Wis.;Eurasia. | |distribution=Ill.;Ind.;Mich.;N.Y.;Va.;Wis.;Eurasia. | ||
| + | |introduced=true | ||
|discussion=<p><i>Veronica dillenii</i> is closely related to <i>V. verna</i> but with larger flowers; it may have been overlooked and may be distributed more widely. Most herbarium specimens of <i>V. dillenii</i> blacken when dry due to the presence of aucubin, which distinguishes them from <i>V. verna</i>.</p> | |discussion=<p><i>Veronica dillenii</i> is closely related to <i>V. verna</i> but with larger flowers; it may have been overlooked and may be distributed more widely. Most herbarium specimens of <i>V. dillenii</i> blacken when dry due to the presence of aucubin, which distinguishes them from <i>V. verna</i>.</p> | ||
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|publication year=1769 | |publication year=1769 | ||
|special status=Introduced | |special status=Introduced | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V17/V17_768.xml |
|genus=Veronica | |genus=Veronica | ||
|species=Veronica dillenii | |species=Veronica dillenii | ||
Latest revision as of 19:36, 5 November 2020
Annuals. Stems erect to ascending, (8–)10–20(–40) cm, glandular- and eglandular-hairy. Leaves: blade lanceolate to ovate, 7–19(–21) × (3–)5–12 mm, 1–2 times as long as wide, base cuneate, margins (proximal) crenate-dentate or (distal) ±palmatifid, lobes 3–7+, apex of central lobe obtuse, lateral ± acute, surfaces glandular- and eglandular-hairy. Racemes 1, terminal, 60–180 mm, 15–50(–120)-flowered, axis eglandular- and glandular-hairy; proximal bracts similar to leaves, distal ones linear-lanceolate, 3–5 mm. Pedicels erect, 2–4(–5) mm, shorter than subtending bract, length 1/2–1 times calyx, eglandular- and glandular-hairy. Flowers: calyx lobes 3.5–6 mm, apex acute, eglandular- and glandular-hairy; corolla deep blue, 4–6 mm diam.; stamens 0.8–1.5 mm; style 0.8–1.5 mm, stigma violet. Capsules compressed in cross section, narrowly obcordiform, 3.5–4.5 × 4–6 mm, apex emarginate, angle of sinus ca. 90°, ciliate with glandular and eglandular hairs. Seeds 10–28, yellowish, ellipsoid, flat, 0.9–1.6 × 0.7–1.3 mm, 0.2–0.3 mm thick, smooth. 2n = 16 (Eurasia).
Phenology: Flowering (Mar–)Apr–Jul.
Habitat: Open pine and oak forests, rocky, dry, sandy slopes.
Elevation: 500–2200 m.
Distribution
Introduced; Ill., Ind., Mich., N.Y., Va., Wis., Eurasia.
Discussion
Veronica dillenii is closely related to V. verna but with larger flowers; it may have been overlooked and may be distributed more widely. Most herbarium specimens of V. dillenii blacken when dry due to the presence of aucubin, which distinguishes them from V. verna.
Selected References
None.