UW Burke Herbarium species comparison

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Veronica peregrina

Veronica anagallis-aquatica

purslane speedwell

blue water speedwell
Habit Fibrous-rooted annual, the stems erect, 0.5-3 dm. tall, simple or branched below. Glabrous, short-lived perennial from fibrous roots, the stems usually erect, 2-10 dm. tall.
Leaves

Principal leaves opposite, linear-oblong to oblanceolate, 0.5-3 cm. long and 1-9 mm. wide, irregularly toothed or entire.

Leaves opposite, sessile and clasping, elliptic-ovate to elliptic-oblong, 2-10 cm. long and 0.7-5 cm. wide, sharply serrate to entire.
Flowers

Inflorescence terminal, elongate, lax;

bracts alternate, similar to the leaves, gradually reduced upward, each subtending a single, sub-sessile flower;

sepals 4;

corolla white, inconspicuous, 2 mm. wide;

style very short;

stamens 2.

Inflorescence of many-flowered racemes on long peduncles arising in the leaf axils;

calyx of 4 highly variable sepals;

corolla blue, rotate, 4-lobed, the upper lobe the largest, about 5 mm. wide;

style 1.5-2.5 mm. long;

pedicels up-curved, 3-8 mm. long;

stamens 2.
Fruits

Capsule 3-4 mm. high, obcordate.

Capsule swollen, 2.5-4 mm. high and wide, scarcely notched.

Veronica peregrina

Veronica anagallis-aquatica
Flowering time April-September June-September
Habitat Swales, wet meadows, stream banks, and other moist places, from the lowlands to moderate elevations in the mountains. In or along slow-moving streams and ditches at low to moderate elevations.
Distribution
Widely distributed throughout most of Washington; widely distributed throughout North America.
[WildflowerSearch map]
[BONAP county map]
Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
[WildflowerSearch map]
[BONAP county map]
Origin Both native (var. xalapensis) and introduced (var. peregrina) varieties Introduced from Europe
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. persica, V. polita, V. regina-nivalis, V. rubra, V. schizantha, V. scutellata, V. serpyllifolia, V. triphyllos, V. verna, V. wormskjoldii
V. americana, 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, V. wormskjoldii
Subordinate taxa
V. peregrina var. peregrina, V. peregrina var. xalapensis
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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