Veronica peregrina |
Veronica cusickii |
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neckweed, purslane speedwell, véronique voyageuse |
Cusick's speedwell |
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Habit | Annuals. | Perennials. |
Stems | erect or ascending, (2.5–)4–25(–35) cm, glabrous or densely glandular-hairy. |
erect, unbranched or sparsely branched at base, (5–)10–15(–30) cm, finely glandular-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 elliptic-ovate, (5–)10–25 × 5–10 mm, base cuneate, margins entire or subentire, apex short-acuminate, surfaces glabrous or 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, terminal, (15–)40–80(–130) mm, (4–)8–30(–40)-flowered, axis finely glandular-hairy; bracts lanceolate, 3–7(–11) mm. |
Pedicels | erect, 0.2–1(–2) mm, much shorter than subtending bract, glabrous or densely glandular-hairy. |
erect, 3–9 mm, equal to or ± longer than subtending bract, finely glandular-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 2–3 mm, apex acute to obtuse, finely glandular-hairy; corolla deep blue-violet, rarely white, rotate, (8–)10–13 mm diam.; stamens 4–8 mm; style (5–)6–9(–10) mm, conspicuously exerted. |
Capsules | strongly compressed in cross section, obcordiform, 2.5–5 × 2.5–6 mm, apex ± emarginate, glabrous. |
compressed in cross section, oblong-obovoid, 4–6 × 3.5–5.5 mm, ca. as long as wide, apex emarginate, finely glandular-hairy. |
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. |
28–32, straw colored or dark brown, ovoid, flat, 0.6 × 0.4 mm, 0.1 mm thick, rough. |
2n | = 52. |
= 18, 72. |
Veronica peregrina |
Veronica cusickii |
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Phenology | Flowering (Feb–)Mar–Jun(–Nov). | Flowering Jun–Aug. |
Habitat | Moist waste lands, gardens, roadsides, stream banks, pond shorelines, vernal pools, other cultivated land. | Gravelly soils, openings in coniferous forests and in subalpine and alpine meadows. |
Elevation | 0–700(–3000) m. (0–2300(–9800) ft.) | 1500–3200 m. (4900–10500 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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CA; ID; MT; OR; WA; BC
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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.) |
Veronica cusickii is sister to V. copelandii and closely related to V. wormskjoldii subsp. nutans (D. C. Albach et al. 2006). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 314. | FNA vol. 17, p. 310. |
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 | V. allenii |
Name authority | Linnaeus: Sp. Pl. 1: 14. (1753) | A. Gray: in A. Gray et al., Syn. Fl. N. Amer. 2(1): 288. (1878) |
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