Synthyris [HC, HC2]
25 species
8 subspecies and varieties
Show only taxa with photos
Scientific name
Common name
– American brooklime, American speedwell
Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Ditches, slow moving streams, oxbows, and other water bodies, from low to middle elevations in the mountains.
Origin: Native
Flowers: May-August
– blue water speedwell
Distribution: Occurring chiefly east of the Cascades crest in Washington; widely distributed throughout much of North America.
Habitat: In or along slow-moving streams and ditches at low to moderate elevations.
Origin: Introduced from Europe
Flowers: June-September
– bilobed speedwell
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to Oregon, east to the Rocky Mountains and Great Plains, also in scattered areas of eastern North America.
Habitat: Disturbed, open areas at low to moderate elevations.
Origin: Introduced from Eurasia
Flowers: April-June
– corn speedwell, wall speedwell
Distribution: Occurring on both sides of the Cascades crest in Washington; widely distributed throughout much of North America.
Habitat: Disturbed ground, gardens and roadsides
Origin: Introduced from Eurasia
Flowers: April-September
– chain speedwell
Distribution: Occurring chiefly east of the Cascades crest in Washington; widely distributed throughout much of North America.
Habitat: Slow-moving streams and ditches.
Origin: Introduced from Europe
Flowers: June-August
– Germander speedwell
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to California, east to Montana, also in eastern North America.
Habitat: Roadsides, fields, lawns, gardens, and other disturbed areas.
Origin: Introduced from Europe
Flowers: May-June
– Cusick's speedwell
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to California, east to Idaho and Montana.
Habitat: Open, moist, rocky slopes from subalpine to alpine.
Origin: Native
Flowers: July-September
–
feather-leaf kittentails
Distribution: Occurring in the Olympic Mountains in Washington; Idaho and Montana to Utah, disjunct in Washington.
Habitat: Stony, subalpine to alpine slopes.
Origin: Native
Flowers: May-August
– cut-leaf kittentails
– thread-stalk speedwell
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to California, east to Montana, also in eastern North America.
Habitat: Weed of lawns and gardens
Origin: Introduced from Eurasia
Flowers: April-June
– ivy-leaf speedwell
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to Oregon, east to Idaho and Utah; other scattered locations in central and eastern North America.
Habitat: Waste places, disturbed soil.
Origin: Introduced from Europe
Flowers: April-June
– Lackschewitz's speedwell
Distribution: Known only from Yakima County in Washington; distribution in North America not currently known.
Habitat: Slow-moving streams and ditches.
Origin: Introduced from Europe
Flowers: June-August
– long-leaf speedwell
Distribution: Known from only a few localities west of the Cascades crest in Washington; also known from British Columbia and Montana.
Habitat: Disturbed areas, where escaped from cultivation.
Origin: Introduced from Europe
Flowers: June-July
–
tailed kittentails
Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to Idaho and Montana.
Habitat: Moist forest slopes.
Origin: Native
Flowers: March-May
– tailed kittentails
– mountain kittentail
– starry tailed kittentails
– Paul's betony, common speedwell
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east to the northern Great Plains, Great Lakes region, and northeastern North America.
Habitat: Roadsides, fields, balds, prairies, ditches, forest edge, lawns, wastelots, and other disturbed open areas at low to middle elevations.
Origin: Introduced from Europe
Flowers: April-July
–
purslane speedwell
Distribution: Widely distributed throughout most of Washington; widely distributed throughout North America.
Habitat: Swales, wet meadows, stream banks, and other moist places, from the lowlands to moderate elevations in the mountains.
Origin: Both native (var. xalapensis) and introduced (var. peregrina) varieties
Flowers: April-September
– purslane speedwell
– purslane speedwell
– bird-eye speedwell, Persian speedwell
Distribution: Occurring on both sides of the Cascades crest in Washington; widely introduced in much of North America.
Habitat: Lawns and waste ground.
Origin: Introduced from Europe
Flowers: March-May
– gray speedwell
Distribution: Occurring in scattered locations in the southeastern counties of Washington; southeastern Washington and adjacent Idaho, also in central and eastern North America.
Habitat: Roadsides, fields, lawns, and other disturbed open areas.
Origin: Introduced from Eurasia
Flowers: March-May
– round-leaved kittentails, snow queen
Distribution: Occurring west of the Cascades crest in Washington; Washington to California.
Habitat: Forest understory at low to moderate elevations.
Origin: Native
Flowers: March-May
– red coraldrops, red kittentails
Distribution: Occurring east of the Cascades crest in Washington; Washington to Oregon, east to Idaho and Montana.
Habitat: Open slopes and dry meadows in the lowlands and foothills.
Origin: Native
Flowers: April-May
– fringe-petal kittentails, fringed kittentails
Distribution: Occurring in the Olympics and Cascades mountains foothills of western Washington; Washington to Oregon.
Habitat: Moist ground at mid-elevations in the mountains.
Origin: Native
Flowers: May-June
– grass-leaf speedwell, marsh speedwell, skullcap speedwell
Distribution: The northern two-thirds of the temperate zone in North America; also in Eurasia.
Habitat: Wet places, from the lowlands to moderate elevations in the mountains.
Origin: Native
Flowers: May - September
–
thyme-leaved speedwell
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.
Habitat: Moist meadows and shores, from the lowlands to the subalpine.
Origin: Both native and introduced
Flowers: May-August
– thyme-leaved speedwell
– thyme-leaved speedwell
– finger speedwell
Origin: Introduced from Europe
– spring speedwell
Origin: Introduced
– American alpine speedwell
Distribution: Both sides of the Cascades in Washington; Alaska to California, east to Montana, Colorado and New Mexico.
Habitat: Moist ground and seeps, mid- to high elevations in the mountains.
Origin: Native
Flowers: July-September