Veronica filiformis |
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creeping speedwell, slender speedwell, thread-stalk speedwell, véronique filiforme |
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Habit | Perennials. |
Stems | creeping, 5–50 cm, eglandular- and glandular-hairy. |
Leaves | blade suborbiculate, 4–13 × 4–14 mm, base cordate, margins crenate-serrate, teeth (2 or)3–5(or 6) per side, apex rounded, surfaces sparsely eglandular- and/or glandular-hairy. |
Racemes | 1–6, terminal, 50–500 mm, 10–20-flowered, axis sparsely eglandular- and/or glandular-hairy; bracts suborbiculate, 4–13 mm. |
Pedicels | patent or recurved, (15–)20–30 mm, length 2–5 times subtending bract, eglandular- and glandular-hairy. |
Flowers | calyx lobes 4–7 mm, 1.5–2.5 mm wide, apex rounded, sparsely glandular-hairy to glabrate; corolla blue-violet to pale blue and white, 8–14 mm diam.; stamens 2.1–2.5 mm; style 3–4 mm. |
Capsules | compressed in cross section, subglobular, 3.5–5 × 5.5–6.5 mm, apex emarginate, sinus angle 50–90°, absent or almost smooth, glabrous or glandular-ciliate. |
Seeds | (2–)6–14(–18), ochre, ovoid, flat to ± excavate, 1.3–1.7 × 1–1.3 mm, 0.6–0.8 mm thick, rugose to rugulose. |
2n | = 14 (Europe). |
Veronica filiformis |
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Phenology | Flowering (Mar–)Apr–Jun(–Aug). |
Habitat | Moist lawns and meadows, waste fields, stream banks. |
Elevation | 0–1000 m. (0–3300 ft.) |
Distribution |
CA; CT; DC; DE; ID; MD; MI; NY; OH; OR; PA; VT; WA; WV; BC; ON; QC; Eurasia [Introduced in North America]
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Discussion | Veronica filiformis is self-incompatible. In the flora area, plants seldom produce capsules; it is dispersed by stem cuttings. The species is native to subalpine meadows in the Caucasus and northern Turkey. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 320. |
Parent taxa | Plantaginaceae > Veronica |
Sibling taxa | |
Name authority | Smith: Trans. Linn. Soc. London 1: 195. (1791) |
Web links |