Jepson eFlora
Key to families | Table of families and genera

Key to Veronica

View taxon page for Veronica

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Racemes axillary; herbage generally glabrous; perennial herb

2. Leaves petioled ..... V. americana

2' Leaves sessile (proximal rarely short-petioled)

3. Racemes alternate; leaf lance-linear, length generally >> 5 × width; fruit deeply notched ..... V. scutellata

3' Racemes opposite; leaf elliptic or lanceolate to ovate, length < 5 × width; fruit entire or slightly notched

4. Leaves elliptic to ovate, length 1.5–3 × width; corolla 5–10 mm, lavender to blue; fruit rounded to obcordate ..... V. anagallis-aquatica

4' Leaves lanceolate, length 3–5 × width; corolla 3–5 mm, pink; fruit notched 0.1–0.3 mm ..... V. catenata

1' Racemes mostly terminal, or flowers 1 in axils; herbage generally hairy; annual or perennial herb

5. Perennial herb, rhizomed

6. Style 6–9 mm, > fruit; corolla 8–13 mm

7. Leaves hairy; corolla 8–10 mm, pale blue to lavender-rose; e Klamath Ranges ..... V. copelandii

7' Leaves generally glabrous; corolla 10–13 mm, deep blue; Cascade Range, n&c High Sierra Nevada ..... V. cusickii

6' Style 0.8–3 mm, generally < fruit; corolla 6–10 mm

8. Style 2–3 mm; fruit generally < calyx, wider than long; stem decumbent ..... V. serpyllifolia subsp. humifusa

8' Style 0.8–1.3 mm; fruit > calyx, longer than wide; stem erect nearly from base ..... V. wormskjoldii

5' Annual, fibrous-rooted or taprooted

9. Pedicel 0.5–2 mm, < calyx; seeds generally many per chamber, flat, smooth

10. Leaf triangular to ovate, crenate to serrate; sepals unequal (outer pair larger); corolla blue to violet ..... V. arvensis

10' Leaf oblong to spoon-shaped, entire to ± serrate; sepals ± equal; corolla ± white ..... V. peregrina subsp. xalapensis

9' Pedicel 4–30 mm, generally > calyx; seeds 5–12 per chamber, concave, outer surface rough

11. Pedicel 15–30 mm; leaf crenate to serrate; style 2–3 mm; fruit lobes spreading ..... V. persica

11' Pedicel 4–15 mm; leaf palmately 3–9 lobed; style 1.2–1.6 mm; fruit lobes ± parallel (or fruit ± round) ..... [V. triphyllos]


Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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