Veronica peregrina |
Veronica polita |
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neckweed, purslane speedwell, véronique voyageuse |
gray field speedwell, gray speedwell |
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Habit | Annuals. | Annuals. |
Stems | erect or ascending, (2.5–)4–25(–35) cm, glabrous or densely glandular-hairy. |
creeping to decumbent, 5–20(–40) cm, eglandular-hairy. |
Leaves | blade oblanceolate proximally, narrowly oblong distally, 5–28(–35) × 2–6(–10) mm, 3–10 times as long as wide, base cuneate, margins entire or dentate distally, apex acute, surfaces glabrous or densely glandular-hairy. |
blade suborbiculate to ovate, rarely oblong-ovate, (3–)6–11(–14) × (3–)4–9(–10) mm, base truncate, margins serrate to dentate, teeth 2–4 per side, apices usually rounded, apex acute to obtuse, abaxial surface densely hairy, adaxial sparsely hairy to glabrate. |
Racemes | 1, terminal, sometimes 1 or 2 axillary, 20–200 mm, (2–)5–40-flowered, axis glabrous or densely glandular-hairy; bracts spatulate to linear-lanceolate, 3–22 mm. |
1–4, terminal, 50–200(–400) mm, 5–20-flowered, axis sparsely to densely hairy or glabrate; bracts suborbiculate to ovate, (3–)6–11(–14) mm. |
Pedicels | erect, 0.2–1(–2) mm, much shorter than subtending bract, glabrous or densely glandular-hairy. |
usually semicircularly recurved, (3–)6–13(–15) mm, 0.5–1.5 times subtending bract, densely eglandular-hairy. |
Flowers | calyx lobes (2–)3–6 mm, 0.9–2 mm wide, apex obtuse to acute, glabrous or densely glandular-hairy; corolla white or pale pink, 2–5 mm diam.; stamens 1 mm; style 0.1–0.5 mm. |
calyx lobes broadly ovate, (3–)4–6(–7) mm, 2.6–3.8 mm wide, apex acute, eglandular-hairy, rarely glandular-hairy; corolla intense dark to bright blue, rarely pale lilac or white, with darker nerves, abaxial 1/2 often brighter to whitish, (3–)4–7(–8) mm diam.; stamens 0.5 mm; style (0.5–)1–1.6(–1.8) mm. |
Capsules | strongly compressed in cross section, obcordiform, 2.5–5 × 2.5–6 mm, apex ± emarginate, glabrous. |
± round in cross section, obcordiform, (2.5–)3–4(–4.5) × (3.5–)4–6(–6.3) mm, apex emarginate, sinus angle 20–60(–80)°, densely eglandular-hairy, sometimes also glandular-puberulent, rarely glabrous. |
Seeds | 12–140, yellow or pale brown, oblong, flat, 0.6–1.6 × 0.4–0.9 mm, 0.1–0.2 mm thick, smooth. |
(7–)16–24(–30), pale yellow, ellipsoid to ovoid, deeply cymbiform, 0.9–1.6 × (0.5–)0.8–1.3 mm, 0.4–0.8 mm thick, rugose-cristate. |
2n | = 52. |
= 14 (Eurasia). |
Veronica peregrina |
Veronica polita |
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Phenology | Flowering (Feb–)Mar–Jun(–Nov). | Flowering (Feb–)Mar–Jun(–Jul). |
Habitat | Moist waste lands, gardens, roadsides, stream banks, pond shorelines, vernal pools, other cultivated land. | Fields, ruderal places, calcareous soils, lawns. |
Elevation | 0–700(–3000) m. (0–2300(–9800) ft.) | 0–600 m. (0–2000 ft.) |
Distribution |
AK; AL; AR; AZ; CA; CO; CT; DC; DE; FL; GA; IA; ID; IL; IN; KS; KY; LA; MA; MD; ME; MI; MN; MO; MS; MT; NC; ND; NE; NH; NJ; NM; NV; NY; OH; OK; OR; PA; RI; SC; SD; TN; TX; UT; VA; VT; WA; WI; WV; WY; AB; BC; MB; NB; NF; NS; NT; ON; PE; QC; SK; YT; Central America; South America; Mexico (Baja California, Baja California Sur, Chihuahua, México, Sonora); Eurasia; Australia
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AL; AR; AZ; CO; CT; DC; FL; IA; IL; IN; KS; KY; LA; MA; MD; ME; MI; MO; NC; NE; NY; OH; OK; PA; TN; TX; VA; WI; WV; MB; NB; ON; Eurasia; nw Africa (Algeria, Morocco) [Introduced in North America; introduced also in Mexico, s South America]
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Discussion | Stem indument of Veronica peregrina has been used to distinguish var. xalapensis with a glandular-hairy stem (F. W. Pennell 1935), a variety that seems to be confined to drier places than the type variety. Variety laurentiana is also differentiated from var. peregrina in having a glandular-hairy stem, fleshier leaves, shorter stamens, smaller corollas, and slightly differently shaped capsules (Frère Marie-Victorin and J. Rousseau 1940). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Plants of Veronica polita are similar to those of the more frequent V. persica and are probably frequently overlooked. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 314. | FNA vol. 17, p. 319. |
Parent taxa | Plantaginaceae > Veronica | Plantaginaceae > Veronica |
Sibling taxa | ||
Synonyms | V. peregrina var. laurentiana, V. peregrina subsp. xalapensis, V. peregrina var. xalapensis, V. sherwoodii, V. xalapensis | |
Name authority | Linnaeus: Sp. Pl. 1: 14. (1753) | Fries: Novit. Fl. Svec., 63. (1819) |
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