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thyme-leaved speedwell

American alpine speedwell

Habit Perennial from branching, creeping rhizomes, the stems 1-3 dm. long, finely puberulent, often producing prostrate, lower branches, otherwise simple. Perennial from shallow rhizomes, the stems erect, simple, 0.7-3 dm. tall, with loosely spreading hairs.
Leaves

Leaves opposite, elliptic to broadly ovate, 1-2.5 cm. long and 0.5-1 cm. wide, glabrous, entire or slightly toothed, the lower often short-petiolate, the others sessile.

Leaves opposite, elliptic to lanceolate or ovate, 1-4 cm. long and 0.5-2 cm. wide, entire or slightly toothed.

Flowers

Flowers on short pedicels in a loose, elongate, terminal raceme, the upper subtending bracts alternate;

sepals 4;

corolla bright blue to white, 4-8 mm. wide, rotate, 4-lobed, the upper lobe the largest;

style 2-3.5 mm. long;

stamens 2.

Flowers on short pedicels in a compact, terminal raceme, becoming more elongate, the upper subtending bracts alternate;

sepals 4;

corolla deep blue-violet, 6-10 mm. wide, rotate, 4-lobed, the upper lobe the largest;

stamens 2, filaments 1-1.5 mm. long;

style 1-3 mm. long.

Fruits

Capsule 3-4 mm. high, broader than high, notched, finely glandular-pubescent,

Capsule 4-7 mm. high, higher than wide, broadly notched, glandular-pubescent.

Veronica serpyllifolia

Veronica wormskjoldii

Flowering time May-August July-September
Habitat Moist meadows and shores, from the lowlands to the subalpine. Moist ground and seeps, mid- to high elevations in the mountains.
Distribution
Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
[WildflowerSearch map]
[BONAP county map]
Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.
[WildflowerSearch map]
[BONAP county map]
Origin Both native and introduced Native
Conservation status Not of concern Not of concern
Sibling taxa
V. americana, V. anagallis-aquatica, V. argute-serrata, V. arvensis, V. catenata, V. chamaedrys, V. cusickii, V. dissecta, V. filiformis, V. hederifolia, V. ×lackschewitzii, V. longifolia, V. missurica, V. officinalis, V. peregrina, V. persica, V. polita, V. regina-nivalis, V. rubra, V. schizantha, V. scutellata, V. triphyllos, V. verna, V. wormskjoldii
V. americana, V. anagallis-aquatica, V. argute-serrata, V. arvensis, V. catenata, V. chamaedrys, V. cusickii, V. dissecta, V. filiformis, V. hederifolia, V. ×lackschewitzii, V. longifolia, V. missurica, V. officinalis, V. peregrina, V. persica, V. polita, V. regina-nivalis, V. rubra, V. schizantha, V. scutellata, V. serpyllifolia, V. triphyllos, V. verna
Subordinate taxa
V. serpyllifolia var. humifusa, V. serpyllifolia var. serpyllifolia
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