UW Burke Herbarium species comparison

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Veronica peregrina

Veronica cusickii

purslane speedwell

Cusick's speedwell
Habit Fibrous-rooted annual, the stems erect, 0.5-3 dm. tall, simple or branched below. Perennial from shallow rhizomes, the stem simple, erect or curved at the base, 0.6-2 dm. tall, thinly puberulent.
Leaves

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

Leaves opposite, elliptic to ovate or obovate, 1-2.5 mm. long and 5-14 mm. wide, glabrous, 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 a terminal, bracteate raceme, the flowers pedicellate, at least the upper bracts alternate;

sepals 4, unequal;

corolla deep blue-violet, rotate, 8-13 mm. wide, 4-lobed, the upper lobe the largest;

style exerted, 6-10 mm. long;

stamens 2, filaments 4-8 mm. long.
Fruits

Capsule 3-4 mm. high, obcordate.

Capsule glandular-pubescent, somewhat notched, 4-6 mm. high, higher than wide.

Veronica peregrina

Veronica cusickii
Flowering time April-September July-September
Habitat Swales, wet meadows, stream banks, and other moist places, from the lowlands to moderate elevations in the mountains. Open, moist, rocky slopes from subalpine to alpine.
Distribution
Widely distributed throughout most of Washington; widely distributed throughout North America.
[WildflowerSearch map]
[BONAP county map]
Occurring on both sides of the Cascades crest in Washington; British Columbia south to California, east to Idaho and Montana.
[WildflowerSearch map]
[BONAP county map]
Origin Both native (var. xalapensis) and introduced (var. peregrina) varieties 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. persica, V. polita, V. regina-nivalis, V. rubra, V. schizantha, V. scutellata, V. serpyllifolia, V. triphyllos, V. verna, V. wormskjoldii
V. americana, V. anagallis-aquatica, V. argute-serrata, V. arvensis, V. catenata, V. chamaedrys, 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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