Observations by stonebird

Veronica arvensis L.
NATURALIZED
Habit: Annual, hairy; roots fibrous. Stem: prostrate to erect, +- branched, 5--40 cm. Leaf: proximal +- short-petioled; blade 2--15 mm, triangular to ovate, cordate to truncate at base, crenate to serrate. Inflorescence: racemes terminal; bracts > pedicels; pedicels 0.5--2 mm. Flower: sepals 3--4 mm, unequal (outer pair larger), lanceolate; corolla 2--3 mm, blue to violet; style 0.4--1 mm. Fruit: 3--4 mm, flat, ciliate; notch 0.5--0.8 mm. Seed: generally many per chamber, 1 mm, flat, smooth. Chromosomes: 2n=14,16,18.
Ecology: Meadows; Elevation: < 1500 m. Bioregional Distribution: KR, NCoR, SNF, GV, SnFrB, SCoRO, TR, PR, MP, D; Distribution Outside California: widely naturalized; native to Eurasia. Flowering Time: Apr--Jul