Burke: Veronica anagallis-aquatica vs. Veronica americana

	Veronica anagallis-aquatica	Veronica americana
	blue water speedwell	American brooklime, American speedwell
Habit	Glabrous, short-lived perennial from fibrous roots, the stems usually erect, 2-10 dm. tall.	Glabrous, herbaceous perennial from creeping rhizomes, the simple stems ascending or sometimes erect, 1-10 dm. long.
Leaves	Leaves opposite, sessile and clasping, elliptic-ovate to elliptic-oblong, 2-10 cm. long and 0.7-5 cm. wide, sharply serrate to entire.	Leaves opposite, all with short petioles, lanceolate to lance-ovate, or the lower elliptic, 1.5-8 cm. long and 0.6-3 cm. wide, serrate to nearly entire.
Flowers	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.	Inflorescence of open racemes on long peduncles arising in the leaf axils, 10-25 flowered; calyx of 4 sepals; corolla blue, rotate, 4-lobed, the upper lobe the largest, 5-19 mm. wide; style 2.5-3.5 mm. long; pedicels widely spreading, 5-14 mm. long; stamens 2.
Fruits	Capsule swollen, 2.5-4 mm. high and wide, scarcely notched.	Capsule swollen, about 3 mm. high and wide, slightly notched.

	Veronica anagallis-aquatica	Veronica americana
Flowering time	June-September	May-August
Habitat	In or along slow-moving streams and ditches at low to moderate elevations.	Ditches, slow moving streams, oxbows, and other water bodies, from low to middle elevations in the mountains.
Distribution	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]	Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast. [WildflowerSearch map] [BONAP county map]
Origin	Introduced from Europe	Native
Conservation status	Not of concern	Not of concern
Sibling taxa	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	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, V. wormskjoldii
Web links	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria, Turner Photog. WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria, Turner Photog. WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Veronica anagallis-aquatica

Veronica americana

blue water speedwell

American brooklime, American speedwell

Habit

Glabrous, short-lived perennial from fibrous roots, the stems usually erect, 2-10 dm. tall.

Glabrous, herbaceous perennial from creeping rhizomes, the simple stems ascending or sometimes erect, 1-10 dm. long.

Leaves

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

Leaves opposite, all with short petioles, lanceolate to lance-ovate, or the lower elliptic, 1.5-8 cm. long and 0.6-3 cm. wide, serrate to nearly entire.

Flowers

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.

Inflorescence of open racemes on long peduncles arising in the leaf axils, 10-25 flowered;

calyx of 4 sepals;

corolla blue, rotate, 4-lobed, the upper lobe the largest, 5-19 mm. wide;

style 2.5-3.5 mm. long;

pedicels widely spreading, 5-14 mm. long;