Jepson eFlora: Key page
Vascular Plants of California
Key to families | Table of families and genera

Key to Veronica

View taxon page for Veronica

(For a list of species in Veronica, use the above link.)

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

1. Racemes herbage generally glabrous herb

2. Leaves petioled ..... V. americana

2' Leaves  (proximal rarely short-petioled)

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

3' Racemes ; leaf  or  to , length < 5 × width; fruit  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 KR ..... V. copelandii

7' Leaves generally glabrous; corolla 10–13 mm, deep blue; CaR, n&c SNH ..... 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  ..... V. serpyllifolia subsp. humifusa

8' Style 0.8–1.3 mm; fruit > calyx, longer than wide; stem  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,  to sepals unequal (outer pair larger); corolla blue to violet ..... V. arvensis

10' Leaf  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   ..... 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]


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Citation for the whole project: Jepson Flora Project (eds.) . Jepson eFlora, [accessed on ]

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

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