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American brooklime, American speedwell, brooklime, European speedwell, véronique beccabunga

trilobed speedwell

Habit 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).

Veronica beccabunga

Veronica triloba

Phenology Flowering (Feb–)Mar–May(–Jun).
Habitat Disturbed sites.
Elevation 100–200 m. (300–700 ft.)
Distribution
from FNA
CA; CT; IL; MA; MD; ME; MI; MO; NJ; NV; NY; OH; PA; VA; WI; WV; BC; ON; QC; Eurasia; Africa [Introduced in North America; introduced also in s South America]
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; OH; Europe (Balkans); Asia (Turkey) [Introduced in North America]
Discussion

Subspecies 3 (1 in the flora).

Subspecies abscondita M. A. Fischer is found from eastern Turkey to western Iran, while the native range of subsp. muscosa (Korshinsky) Elenevsky extends from eastern Iran to southern China.

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

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.

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

Source FNA vol. 17, p. 312. FNA vol. 17, p. 316.
Parent taxa Plantaginaceae > Veronica Plantaginaceae > Veronica
Sibling taxa
V. agrestis, V. alpina, V. americana, V. anagallis-aquatica, V. argute-serrata, V. arvensis, 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
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. triphyllos, V. undulata, V. verna, V. wormskjoldii
Subordinate taxa
V. beccabunga subsp. beccabunga
Synonyms V. hederifolia var. triloba
Name authority Linnaeus: Sp. Pl. 1: 12. (1753) (Opiz) Opiz: Naturalientausch 11: 467. (1826)
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