Thyme-Leaved Speedwell, Veronica serpyllifolia
Plantaginaceae or Plantain Family (formerly in the Scrophulariaceae, the Figwort Family)


Low plant, creeping at the base. Leaves opposite each other, round to egg-shaped, under half an inch, with no teeth or a few small teeth, and have no or very short leaf stalks. Flowers small,white to pale blue with dark blue stripes, in terminal clusters. They have 4 petals, one petal smaller than the others, and 4 sepals, hidden behind the petals. Fruit is a heart-shaped capsule. Blooms spring to fall.

Introduced weed, originally from Europe. Likes grassy places and damp soil. Occasional in the Park.

Blue-flowered weedy speedwells (Veronica sp.) are not easy to tell apart.Thyme-leaved speedwell can be distinguished by striped flowers and toothless or nearly toothless leaves. Corn speedwell (V. arvensis) is similar but has usually has deeper blue flowers, and obviously toothed leaves, and the flowers are single rather than in terminal clusters. Water speedwell (V. anagallis-aquatica) is larger and grows in wet places. Ivy-leaved speedwell (V. hederifolia)has similar flowers, but they are single, rather than in terminal clusters. Common speedwell (V. officinalis) has larger, obviously toothed leaves. Persian speedwell (V. persica) has larger flower and strongly toothed leaves.


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