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neckweed, purslane speedwell, véronique voyageuse

finger speedwell, fingered speedwell

bilobed speedwell, sawtooth speedwell, twolobed speedwell

Habit Annuals. Annuals, sometimes biennials. Annuals.
Stems

erect or ascending, (2.5–)4–25(–35) cm, glabrous or densely glandular-hairy.

erect or ascending, often blue tinged, (3–)5–15(–20) cm, densely hairy.

erect, (7–)10–20(–30) cm, eglandular- and/or 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: proximal ovate to triangular, 5–7 × 3–6 mm, distal 8–18 × 8–18 mm, base rounded, margins (proximal) coarsely crenate or (distal) 3–5(–7)-palmatifid, apex obtuse, surfaces sparsely hairy, often glandular.

blade lanceolate or elliptic, (6–)12–28(–35) × 3–12(–20) mm, base cuneate, margins serrate, teeth 4–7(–12) per side, apex acute, surfaces sparsely glandular-hairy 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, sometimes also 1 or 2 axillary, 30–120(–150) mm, 6–15(–25)-flowered, axis densely eglandular- and glandular-hairy;

proximal bracts 5-palmatifid, distal 3-fid, 4–18 mm.

1–8, terminal, usually reduced and replaced by 2 pseudodichotomous racemes with additional axillary racemes, 80–150 mm, (5–)10–25(–35)-flowered, axis eglandular- and/or glandular-hairy;

bracts lanceolate, 9–12 mm, proximals with margins serrate, distals sometimes entire.

Pedicels

erect, 0.2–1(–2) mm, much shorter than subtending bract, glabrous or densely glandular-hairy.

patent or arcuate-ascending, 4–11(–20) mm, ± equal to subtending bract, length 1–2 times calyx, densely hairy.

erect-patent to spreading proximally, deflexed distally, (3–)6–9(–12) mm, shorter than subtending bract, densely glandular- and 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 4–6(–11) mm, apex obtuse, glandular-hairy;

corolla deep blue, 5–10 mm diam.;

stamens 0.9–1.7 mm;

style (0.5–)0.7–1.5(–2) mm.

calyx lobes (5–)6–8.5(–10) mm, apex acuminate-acute, pairs connate 0.8–1.1 mm, glandular- and eglandular-hairy, rarely sparsely hairy;

corolla mostly intense blue with white center, 4–6 mm diam.;

stamens 2.5 mm;

style (0.7–)1–1.3(–1.7) mm.

Capsules

strongly compressed in cross section, obcordiform, 2.5–5 × 2.5–6 mm, apex ± emarginate, glabrous.

± inflated basally, compressed distally in cross section, obcordiform, 4–5(–10) × 4.5–6.5(–8) mm, apex emarginate, glandular-hairy.

slightly compressed in cross section, 3.5–5 × (4–)5–8 mm, apex emarginate, sinus angle 30–45(–60)°, densely eglandular- and glandular-hairy, rarely eglandular-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.

14–22(–35), dark brown or blackish, subglobular, cymbiform, 1–2.2 × 0.7–2 mm, 0.4–0.9 mm thick, ± rugulose to cristate.

4–10, yellowish brown, oblong to ovoid, cymbiform, 1.5–2.5 × 0.8–1.5 mm, 0.8 mm thick, cristate, dorsally reticulate-verrucate.

2n

= 52.

= 14 (Eurasia).

= 18, 42 (Asia).

Veronica peregrina

Veronica triphyllos

Veronica argute-serrata

Phenology Flowering (Feb–)Mar–Jun(–Nov). Flowering (Feb–)Mar–May(–Jul). Flowering Apr–Jun.
Habitat Moist waste lands, gardens, roadsides, stream banks, pond shorelines, vernal pools, other cultivated land. Pine forests, stony pastures, rocky banks, sandy fields, gardens, roadsides, rarely calcareous soils. Bare soils, oak and juniper forests, steppes, alpine meadows, fields, stony slopes, streams, gardens, ruins, ruderal places, calcareous and siliceous soils.
Elevation 0–700(–3000) m. [0–2300(–9800) ft.] 100–1000 m. [300–3300 ft.] (600–)900–3000 m. [(2000–)3000–9800 ft.]
Distribution
from FNA
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
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; ID; KS; MO; OK; OR; WA; Eurasia [Introduced in North America]
[BONAP county map]
from FNA
CO; ID; IL; KS; MT; NE; NM; NV; NY; OR; UT; WA; WY; BC; Eurasia [Introduced in North America]
[WildflowerSearch map]
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 argute-serrata has been recorded mostly under the name V. biloba and occasionally under V. campylopoda Boissier. Most of the records for V. biloba likely belong under this name. Veronica biloba is also found in the flora area, sometimes mixed with V. argute-serrata; V. campylopoda has not been recorded from the flora area. A chromosome count of 2n = 18 (C. R. Bell 1965) for American material is suspicious because 2n = 42 has been reported multiple times in Turkish plants, and a base chromosome number of × = 9 is not known in related species.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 17, p. 314. FNA vol. 17, p. 315. FNA vol. 17, p. 321.
Parent taxa Plantaginaceae > Veronica Plantaginaceae > Veronica Plantaginaceae > Veronica
Sibling taxa
V. agrestis, V. alpina, V. americana, V. anagallis-aquatica, V. argute-serrata, V. arvensis, V. beccabunga, V. biloba, V. catenata, V. chamaedrys, V. copelandii, V. cusickii, V. cymbalaria, V. dillenii, V. filiformis, V. fruticans, V. grandiflora, V. hederifolia, V. longifolia, V. officinalis, V. persica, V. polita, V. scutellata, V. serpyllifolia, V. spicata, V. stelleri, V. sublobata, V. teucrium, V. triloba, V. triphyllos, V. undulata, V. verna, V. wormskjoldii
V. agrestis, V. alpina, V. americana, V. anagallis-aquatica, V. argute-serrata, V. arvensis, V. beccabunga, V. biloba, V. catenata, V. chamaedrys, V. copelandii, V. cusickii, V. cymbalaria, V. dillenii, V. filiformis, V. fruticans, V. grandiflora, V. hederifolia, V. longifolia, V. officinalis, V. peregrina, V. persica, V. polita, V. scutellata, V. serpyllifolia, V. spicata, V. stelleri, V. sublobata, V. teucrium, V. triloba, V. undulata, V. verna, V. wormskjoldii
V. agrestis, V. alpina, V. americana, V. anagallis-aquatica, V. arvensis, V. beccabunga, V. biloba, V. catenata, V. chamaedrys, V. copelandii, V. cusickii, V. cymbalaria, V. dillenii, V. filiformis, V. fruticans, V. grandiflora, V. hederifolia, V. longifolia, V. officinalis, V. peregrina, V. persica, V. polita, V. scutellata, V. serpyllifolia, V. spicata, V. stelleri, V. sublobata, V. teucrium, V. triloba, V. triphyllos, V. undulata, V. verna, V. wormskjoldii
Synonyms V. peregrina var. laurentiana, V. peregrina subsp. xalapensis, V. peregrina var. xalapensis, V. sherwoodii, V. xalapensis V. bornmuelleri
Name authority Linnaeus: Sp. Pl. 1: 14. (1753) Linnaeus: Sp. Pl. 1: 14. (1753) Regel & Schmalhausen: Trudy Imp. S.-Peterburgsk. Bot. Sada 5: 626. (1878)
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