Veronica serpyllifolia thyme-leaved speedwell Scrophulariaceae VESE*;Bx, pb, vc; Q, j; R;

 

Veronica serpyllifolia.Nelson DeBarros @ USDA-NRCS PLANTS Database

Veronica serpyllifolia.© Nelson DeBarros @ USDA-NRCS PLANTS Database (Accessed 5/2014).

Veronica serpyllifolia is a perennial herb, rhizomatous, mat-forming, much-branched, at creeping base, rooting at nodes, to 30 cm, finely, inconspicuously hairy, stem ends becoming erect in flower. 

Leaves opposite, rounded, broadly elliptic to egg-shaped, to 2 x 1cm, lustrous dark green above, margins smooth to slightly toothed, lowest leaves short-stalked, semi-evergreen, upper leaves stalkless, becoming narrow bracts below flowers. 

Flowers whitish with blue stripes, tubular, petal lobes 4, almost equal, self-pollinating (autogamous) (Mulligan and Kevan 1973), in erect spikes at ends of stems, May-July (Hough 1983). 

Fruit a dry heart-shaped, flattened capsule to 0.4 cm, notched at top. 

Wetland status: FAC+. 

Veronica serpyllifolia.extention.umass.edu

Veronica serpyllifolia.extention.umass.edu (Accessed 6/2016).

Frequency in NYC. Infrequent. 

Origin: Europe. 

Habitat: Lawn weed in moist, disturbed soil, tolerates part shade. Probably more common than indicated above.