[Brooklimes and Speedwells: The Genus Veronica East of the Cascade Mountains of Oregon and Washington]

Thymeleaf Speedwell, Thyme-leaved Speedwell

Veronica serpyllifolia ssp. serpyllifolia

Synonyms: Veronica serpyllifolia var. nummularioides, Veronica serpyllifolia var. serpyllifolia, Veronicastrum serpyllifolium

Thymeleaf Speedwell, Thyme-leaved Speedwell: Veronica serpyllifolia ssp. serpyllifolia (Synonyms: Veronica serpyllifolia var. nummularioides, Veronica serpyllifolia var. serpyllifolia, Veronicastrum serpyllifolium)

Thymeleaf speedwell blooming in vernally moist swales along the northwestern portion of the Ponderosa Loop Trail near Ochoco Summit, Ochoco National Forest......May 19, 2018.

Thymeleaf Speedwell, Thyme-leaved Speedwell: Veronica serpyllifolia ssp. serpyllifolia (Synonyms: Veronica serpyllifolia var. nummularioides, Veronica serpyllifolia var. serpyllifolia, Veronicastrum serpyllifolium) - Thymeleaf Speedwell, Thyme-leaved Speedwell: Veronica serpyllifolia ssp. serpyllifolia (Synonyms: Veronica serpyllifolia var. nummularioides, Veronica serpyllifolia var. serpyllifolia, Veronicastrum serpyllifolium)

Thymeleaf speedwell observed in bloom along the Hanan Trail #142 to the west of the upper Sycan River, Fremont-Winema National Forest......June 17, 2020.

Flower of Thymeleaf Speedwell, Thyme-leaved Speedwell: Veronica serpyllifolia ssp. serpyllifolia (Synonyms: Veronica serpyllifolia var. nummularioides, Veronica serpyllifolia var. serpyllifolia, Veronicastrum serpyllifolium)

The photo above shows a close-up view of the whitish flower of thyme-leaved speedwell (var. serpyllifola) as seen along the moist roadside (an irrigation ditch runs alongside the road) of Laurel Road at the west end of Conboy Lake NWR............May 10, 2008. Note the blue-purplish lining within each petal and the spreading hairs at the base of each petal. The petals of var. humifusa are more solidly bluish to purplish.

Thymeleaf Speedwell, Thyme-leaved Speedwell: Veronica serpyllifolia ssp. serpyllifolia (Synonyms: Veronica serpyllifolia var. nummularioides, Veronica serpyllifolia var. serpyllifolia, Veronicastrum serpyllifolium)

The photo above shows a close-up view of the form of the lower leaves are more rounded on the lowest leaves (See below.) while those of the middle and upper stems are longer and narrower. The lower stem is more prostrate against the ground and roots at the nodes.

Lower stem leaves of Thymeleaf Speedwell, Thyme-leaved Speedwell: Veronica serpyllifolia ssp. serpyllifolia (Synonyms: Veronica serpyllifolia var. nummularioides, Veronica serpyllifolia var. serpyllifolia, Veronicastrum serpyllifolium)

The photo above shows a close-up view of the rounded, lower leaves of thyme-leaved speedwell as seen along the moist roadside (an irrigation ditch runs alongside the road) of Laurel Road at the west end of Conboy Lake NWR...........May 10, 2008.

Paul Slichter