Veronica arvensis L.

Family: Plantaginaceae

Pertinent Synonyms & Notes (particularly those used in California; go to GRIN for other synonyms)


Pertinent Common Names (particularly those used in California; go to GRIN for other common names)

corn speedwell

Primary Disseminule Type


Description (diagnostics are in brown)

Fruit a dehiscent capsule, obcordate with deep notch, compressed, 3–4 mm wide (the longest axis), nearly sessile, margin ciliate.

Seed obovate to oblong in outline, truncate or barely notched at the base, compressed, cross-section slightly C-shaped (dorsal face rounded or slightly angled, ventral face shallowly concave), 0.7–1(1.2) mm long x 0.3–0.6 mm wide x 0.1–0.2 mm thick. Surface shiny, with tiny reticulations on top of a broadly, transversely wrinkled base, light to medium yellow or orangish-brown.

Hilum a central elliptic ridge on the ventral face, measuring 0.3–0.45 mm long x 0.1–0.2 mm wide and sometimes extending all the way to the notch at the base of the seed.

Similar Species

Similar Species Comparison Chart

Risk Assessment (codes in yellow or red indicate cause for concern; assessments are current as of mid-2011; click AUQP, NZBORIC, or NZBPI for access to the most recent versions of these databases and possible assessment changes)